In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.

customer: Hi.
agent: Hello. How can I assist you?
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agent: Sure, can I know the travel dates please?
customer: Sure, my preferable dates of travel is from 04/29 to 05/01.
agent: There is a flight in Delta airline with price 100, can I book it?
customer: Ok, please book it.
agent: Your ticket has been booked with flight number 1027.
customer: Thank you for your help in booking my ticket.
agent: Thank you for approaching us.
customer: I am Brenda Hall here, I want to reserve my ticket from PHL to SEA to visit Seattle, can you please help me to book a ticket?

customer: Hello.
agent: Hello. How may I help you?
customer: I want to book a direct flight to meet my mother and enjoy my day, can you help me with booking?
agent: Please may I know your name?
customer: I am Michelle Carter.
agent: May I know your travel dates?
customer: My travel dates are Nov 28 and Nov 30.
agent: May I know your location of travel?
customer: My source and destination codes are OAK to DEN.
agent: Do you have any preferences?
customer: No.
agent: Are looking for any connecting flights?
customer: I have already mentioned.
agent: Your flight number is 1011 Frontier airlines, in economy class shall I proceed for booking.
customer: Please proceed.
agent: Thank you, give me a while.
customer: Thank you.
agent: Your booking is successfully done.
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agent: Thank you for choosing us.
customer: Thank you for your service.

customer: Hello.
agent: Hello. How may I help you?
customer: I want to book a flight ticket from SEA to LGA. Could you help me in booking?
agent: Sure, can you provide your trip dates?
customer: My travelling dates are from Jan 20 - 22.
agent: Do you need any connections?
customer: I prefer for connecting flight.
agent: Are there any other preferences?
customer: I need to travel in normal-cost airline.
agent: Do you have any class preference?
customer: No.
agent: May I know your name?
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agent: Direct flight number 1008 with price 100 in economy class is available. Is it ok?
customer: Yes, please proceed.
agent: Your ticket has been booked.
customer: Thank you for helping me.
customer: Samuel Anderson.