You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking from DEN to CLT?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from Sept 27 to Sept 29.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Can I know your name?

USER: My name is Brandon Robinson.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues, thank you.

ASSISTANT: Thank you for reaching us.