You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Detroit in this month so can you please help me in flight ticket booking process from DFW to DTW?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you for your response.

ASSISTANT: May I know your class preference?

USER: I want to travel in business class flight.

ASSISTANT: Ok, please share your trip dates.

USER: I want to take off on Apr 03 and book my return ticket also on Apr 05.

ASSISTANT: Is there any connection limit for you?

USER: I need 1 break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Charles Lewis.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.