You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving the ticket from DTW to HOU?

ASSISTANT: Sure, may I know your itinerary dates?

USER: I would like to travel on July 31 and again I will return back on Aug 2.

ASSISTANT: May I know your connection limit?

USER: I want to travel in direct flight.

ASSISTANT: Please mention your name.

USER: Myself Donald Jackson.

ASSISTANT: Sorry Donald Jackson, no flights are available on your route.

USER: Not a big deal, I will choose an alternate way to reach my destination.

ASSISTANT: Ok.

USER: Thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.