You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Deborah Thompson. I am planning to book a ticket with price of 500. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 11/07 and return on 11/09.

ASSISTANT: Kindly provide your journey codes.

USER: My nearest source airport code is SEA and destination airport code is PHL.

ASSISTANT: We found a flight with number 1010 and Frontier as airline. The cost of the ticket is 100. Shall I go with booking?

USER: Yes, you can proceed the booking.

ASSISTANT: Your booking is done.

USER: Thank you for you help.

ASSISTANT: Thank you for reaching us.