You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Kevin Thomas. I planned to meet my cousin in DTW, can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I prefer to travel on Sep 18 and Sep 20.

ASSISTANT: There is a direct flight in Spirit airlines with the fare 100.

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Sorry no connecting flights available.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you.