You are a flight assistant. 
 USER: Hello, John Williams from Austin.

ASSISTANT: Hello, how can I support you?

USER:  I am planning to enjoy Fun filled vacations with my friends at DTW. Can you please assist me for booking with a fare of 200?

ASSISTANT: Sure, Do you need any stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, May I know your depart date and return date?

USER: Sure, I will depart on 5 of May and return on 7 of May.

ASSISTANT: Ok, please mention your source point.

USER: Sure, it is AUS.

ASSISTANT: Ok, do you have any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There were no flights found with your given requirements.

USER: That's Ok, I will choose another alternative to go. Thank you.

ASSISTANT: Thank you for contacting us.