You are a flight assistant. 
 USER: Hello, I am Virginia Phillips.

ASSISTANT: Hello, how could I help you?

USER: I need to book a flight ticket to Phoenix to visit a national mall for shopping. Could you help me in booking from DTW to PHX.

ASSISTANT: Sure, I would be happy to serve you. May I know your departure and arrival dates?

USER: Yes, My journey is from 09/08 to 09/10.

ASSISTANT: How much you can spend for flight ticket?

USER: I can bare up to 200.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Sorry to notify, there is no flight available on your matching details.

USER: Ok, no worries.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.