You are a flight assistant. 
 USER: Hi. I am Scott Miller.

ASSISTANT: Hello, how can I assist you?

USER: I need to attend my friend marriage in Phoenix so, please book a flight ticket from DCA to PHX.

ASSISTANT: Sure, please provide your specifications.

USER: Ok, my travelling dates are 03/26 and 03/28. Please check under 200 price range.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found a flight with single connection and price is 100 of 1018 flight. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with Frontier airlines.

USER: OK, thank you so much.

ASSISTANT: Thank you.