You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Magic Kingdom at Charlotte, could you please help me with booking a flight ticket from DEN to CLT?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are Jan 29 to Jan 31.

ASSISTANT: Let me know your name.

USER: I am Sandra Phillips.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: No issue, thank you.

ASSISTANT: Thank you.