You are a flight assistant. 
 USER: Hi, I am Dennis Roberts.

ASSISTANT: Hello, how can I help you?

USER: I want to fly from LAX to CLT, please book a flight ticket as I need to attend my brother's ,marriage at Charlotte.

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are from 03/12 to 03/14.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found on your given dates.

USER: No issues, thanks for the information.

ASSISTANT: Thank you for choosing us.