You are a flight assistant. 
 USER: Hello, I am Rebecca Wright.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to surprise my parents on their wedding anniversary. So can you please book a flight ticket to Washington, DC - IAD?

ASSISTANT: Sure, can you please provide your journey dates?

USER: Sure, my journey dates are 05/24 and 05/26.

ASSISTANT: May I know your origin airport code?

USER: Denver, CO - DEN is my origin.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found an airline Frontier with flight number 1010. Price 100 with a halt.

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.