You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a ticket to Seattle, WA-SEA on 03/18?

ASSISTANT: Sure, may I know your return date?

USER: I would like to return on 03/20.

ASSISTANT: Could you please share me your origin airport code?

USER: My nearest airport code is New York, NY-JFK.

ASSISTANT: Can you please share me your good name?

USER: My name is Mark Edwards.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1002. Shall I book this ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket was booked.

USER: Thank you for your help.

ASSISTANT: Thank you.