You are a flight assistant. 
 USER: Hello, I am Elizabeth Jones from Minneapolis & St. Paul.

ASSISTANT: Hello, how can I assist you at present?

USER: I am planning to enjoy Fun filled vacations with my friends at Detroit, DTW. Can you please aid me for booking with a stopover?

ASSISTANT: Sure, Is there any class preferences?

USER: No, I don't have any restrictions.

ASSISTANT: Ok, Kindly mention your source.

USER: Sure, it is MN - MSP.

ASSISTANT: Ok, when do you want to travel?

USER: Sure, I would like to depart on 06/21 and return on 06/23.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any flights with your given details.

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

ASSISTANT: Thank you for approaching us.