You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Christopher Walker. I am planning to book a ticket from DCA to DCA. Can you please help me out?

ASSISTANT: Sure, may I know your planned dates of travel?

USER: I would like to travel on 11/19 and return back on 11/21.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline JetBlue with flight 1007 having a fare 100 with halt. Shall I proceed with booking?

USER: Please proceed the booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.