You are a flight assistant. 
 USER: Hello. My name is Gregory Martin.

ASSISTANT: Hello, how may I support you?

USER: Please book a flight ticket from DTW to ATL.

ASSISTANT: Sure, on what dates are you planning to travel?

USER: My travel dates are Apr 12th and 14th.

ASSISTANT: Do you have connection preference?

USER: I am fine with one connecting flight.

ASSISTANT: Ok, please share your other preferences.

USER: I want to return back in the morning time.

ASSISTANT: Do you have airline preference?

USER: I prefer normal-cost airline.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No problem, thank you for your time.

ASSISTANT: Thank you for reaching us, have a good day.