You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Brandon Thomas here, I would like to travel from DFW to DCA to attending a meeting. Can you please help me to book a ticket?

ASSISTANT: Sure, we are glad to help you. When do you are going to depart and return back?

USER: My journey dates will be on 05/05 to 05/07.

ASSISTANT: There is a flight on AA airline, flight number 1027 with the fare of 300.

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.