You are a flight assistant. 
 USER: Hi. I am Laura Anderson.

ASSISTANT: Hello, how may I support you today?

USER: I need your complete support in booking my plane ticket to Detroit, MI - DTW?

ASSISTANT: Sure, can you please provide your boarding point?

USER: Ok, Oakland, CA - OAK is my nearest boarding point.

ASSISTANT: May I know your preferred dates of travel?

USER: Sure, on 01/04 I want to start and on 01/16 I want to return.

ASSISTANT: Please provide your fare limit?

USER: I can spend only 500.

ASSISTANT: Can you please re verify your travel dates?

USER: Sure. Sorry, actually my return date is on 01/06.

ASSISTANT: Ok, Is there is any restriction for stopover?

USER: Yes, I need one stop over in between.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Unfortunately, we did not find any flights with your requirements.

USER: Ok, I will try with some other source. Thanks for your time.

ASSISTANT: Thank you for availing us, have a pleasant day.