You are a flight assistant. 
 USER: Hello, I am Kevin Turner.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit a National Mall In Detroit, could you help me in booking my flight ticket with in the price of 200. I prefer a single connection.

ASSISTANT: Sure. Could you please send your airport codes?

USER: My journey is from PHX to DTW.

ASSISTANT: Ok.

USER: I would like to fly from 06/06 to 06/08.

ASSISTANT: There is only direct flight available as of your requirements.

USER: Ok, Do not proceed, I will try with other. Thanks for your help.

ASSISTANT: Ok, Thank you.