You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a flight ticket from New York, NY-JFK to take a part in trekking is Evans mountain in Seattle, WA-SEA, can you help me to book an economy class ticket ?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to start on 04/16 and my return date would be on 04/18.

ASSISTANT: On which name do you like to reserve this ticket?

USER: I am Thomas Garcia.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1023.

USER: That's fine, please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you.