You are a flight assistant. 
 USER: Hi. Here John Moore.

ASSISTANT: Hello, how may I assist you today?

USER: I have an important client meeting at Orlando, so could you please help me with flight ticket booking from ORD to MCO locations?

ASSISTANT: Sure, can you confirm your planned travel dates/.

USER: Thank you for accepting my request and I have planned to move on Sep 18 and I will return back on Sep 20.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a direct flight for my journey.

ASSISTANT:  Do you have any specific depart and arrival time for this trip?

USER: Yes, I need a flight which will return back in the morning time.

ASSISTANT: Sorry, there are no flights available as per your specifications.

USER: Sad to hear that one, anyway thank you for your immediate response and providing the information.

ASSISTANT: Welcome, thank you for reaching us.

USER: Welcome.