You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to book a flight ticket from CLT to DEN?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My journey dates are Sept 5 to Sept 7.

ASSISTANT: How many connections do you need?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Jonathan Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.