You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: John Moore here. I want to reserve my flight from CLT, as I have to conduct a conference at DEN. Can you please help me out with it?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, my planned travel dates are Sep 18th and 20th.

ASSISTANT: Do you have any other preferences?

USER: I need a single connecting flight. I would like to depart in the morning.

ASSISTANT: Thank you for your details, we did not find any flights running in your desired routes.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for choosing us.