You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you now?

USER: I am William Mitchell. I want to book a flight ticket from DCA to attend my Friend's Birthday Party. Can you book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 08/29 - 08/31.

ASSISTANT: What is your destination airport code?

USER: My landing airport code is DTW.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight.

ASSISTANT: Are you comfortable with JetBlue airline of fare 800?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1023.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us, have a nice journey.