You are a flight assistant. 
 USER: Hello, I am Michelle Smith.

ASSISTANT: Hello, how may I oblige you today?

USER: I planning a travel to CLT for visiting BB&T Ballpark. Can you please help me in booking a ticket?

ASSISTANT: Sure, can you please share your origin point?

USER: My origin point is SFO.

ASSISTANT: Do you have any preference connections?

USER: I want a flight with single connection.

ASSISTANT: Please mention your price limit?

USER: My price limit is 500.

ASSISTANT: Please assign your scheduled dates?

USER: My travel dates are 11/24 to 11/26.

ASSISTANT: Ok, please wait for a while, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for you time, sorry, unfortunately no flights matching your criterion.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thanks for opting us, have a pleasant day.