You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Davis.

ASSISTANT: How may I help you?

USER: I want to travel from IAH to DCA. Can you book a flight ticket for me?

ASSISTANT: Ok, may I know your journey dates?

USER: I want to fly on 11/19 and 11/21.

ASSISTANT: There is a flight-1001 with connection 1 and price 200 of Southwest airline.

USER: Proceed to booking.

ASSISTANT: Ok, your ticket has been done. Thanks for contacting us.

USER: Thank you for helping me out.