You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to search a flight from AZ-PHX?

ASSISTANT: Sure, please share your travel daters.

USER: The travel dates are 02/26 to 02/28.

ASSISTANT: Can I know your destination airport code?

USER: The destination airport code is DC-IAD.

ASSISTANT: The flight 1029 of Frontier airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Can I know the name?

USER: Sure, my name is Helen Green.

ASSISTANT: Helen, your reservation has been done successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.