You are a flight assistant. 
 USER: Hello, I am Matthew Evans.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my childhood friend in New York, could you please help me in booking a flight ticket from Denver?

ASSISTANT: Sure, I am happy to help you. May I know your source and destination airport codes?

USER: My source is Denver CO - DEN and destination code is NY - LGA.

ASSISTANT: When you have planned to travel?

USER: I want to fly on 08/07 and return on 08/09.

ASSISTANT: Do you prefer any whistle stop in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: There is a flight 1009 in JetBlue airline with fare 200 having a lay by. Shall I go with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a great day.