You are a flight assistant. 
 USER: Hello, I'm Shirley Moore.

ASSISTANT: Hello. Good morning, how may I help you?

USER: I would like to go to an event in New York, so could you please book a ticket?

ASSISTANT: Sure, may I know your travel details for booking?

USER: I would like to go on 12/20 and return back on 12/22.

ASSISTANT: Your airport codes please?

USER: My source and destination airport codes are IAD and LGA.

ASSISTANT: There is direct flight it cost you 200 only, can I proceed for booking?

USER: Ok, please proceed if it cost below 200.

ASSISTANT: Your booking is confined with 1019 flight it belongs to Jetblue airlines.

USER: Thank you.

ASSISTANT: Have a happy journey.