You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Can you please help me in booking my flight ticket from LAS to DEN?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: Sure, my trip dates are from 07/04 to 07/06.

ASSISTANT: What is your maximum connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Myself Joseph Carter.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

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

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.