You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a ticket from LGA to JFK to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you. Can you please let me know your travel dates?

USER: I am departing on June 04 and return on June 06.

ASSISTANT: Sure, please provide me your preference.

USER: I need a class with economy class.

ASSISTANT: Ok, please wait for a while.

USER: I need a flight with connection limit 0.

ASSISTANT: Sure, can you please help me with your name?

USER: My name Patrick Garcia.

ASSISTANT: Direct flight is available in Frontier airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1003.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.