You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Ronald Lopez. I want to book a flight ticket to attend a sports live event in Seattle, could you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to fly on 05/16 and return on 05/18.

ASSISTANT: Sure, may I know your airport codes?

USER: My source is New York, NY - JFK and destination code is WA - SEA.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1003. May I book this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.