You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to book a flight ticket from DCA to PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Aug 2 to Aug 4.

ASSISTANT: Do you have any specifications?

USER: I need a single connection of flight.

ASSISTANT: May I know your name?

USER: I  am Amy Wright.

ASSISTANT: We found an airline Frontier with flight 1002 having a fare 200 with stopover.

USER: Ok, please proceed to book.

ASSISTANT: Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.