You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to search a flight from Detroit, MI-DTW?

ASSISTANT: Sure, could you please share your travelling dates?

USER: The travelling dates are 10/30 to 11/01.

ASSISTANT: May I know your destination airport codes?

USER: The destination airport code is AZ-PHX.

ASSISTANT: May I know your name?

USER: Sure, my name is Betty Campbell.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your information.