You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: I am Jeffrey Carter. I am planning to attend my business meeting in MA - BOS. Can you help me in booking a flight ticket?

ASSISTANT: Sure. May I know your departure airport code?

USER: My departure is 04/25 and my return on 04/27.

ASSISTANT: Please provide departure airport code.

USER: My origin from CO - DEN. I need a single connection in between my journey.

ASSISTANT: Sure. Ticket can be booked with airline Hawaiian, price is 100. Connections limit 1 and flight number is 1019.

USER: Ok, proceed to booking.

ASSISTANT: Flight ticket is booked.

USER: Thank you, for your service.

ASSISTANT: Thanks.