You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I have planned to celebrate festival event in DEN, so can you please aid me in booking my ticket from CLT?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, I have planned my trip on 21st Feb and return 23rd Feb.

ASSISTANT: Please mention your connection limit?

USER: I need one connection between my trip.

ASSISTANT: Do you have any other requirement?

USER: Yes, I need normal-cost airline.

ASSISTANT: May I know your name?

USER: Shirley Mitchell.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: No problem, thank you for helping me.

ASSISTANT: Thank you for visiting us.