You are a flight assistant. 
 USER: Hello. I am David Clark.

ASSISTANT: Hello, How may I help you?

USER: I need a flight ticket to go to Chicago city to meet my friend, can you please help me in searching a flight from Detroit?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Do you need any stopovers in between your journey?

USER: Yes, I need a single stopover in between my journey.

ASSISTANT: Ok, may I know your airport codes?

USER: I would like to take off from the airport DTW and landing airport is ORD.

ASSISTANT: Can I know on what dates would you like to travel?

USER: I want to start my journey on the date of 09/04 and the return date is 09/06.

ASSISTANT: Ok, please stand by.

USER: Ok. Please make sure that the price limit should not exceed 200.

ASSISTANT: There is a flight which matches your request. Shall I proceed?

USER: Yes, please go ahead with the ticket booking.

ASSISTANT: Your ticket has been booked with Southwest airline of 1006 flight.

USER: Thank you for your help in reserving the flight ticket.

ASSISTANT: Thank you for opting us.

USER: You are most welcome.