You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Campbell.

ASSISTANT: How may I help you?

USER: I would like to book a ticket from ATL to CLT, can you help me?

ASSISTANT: May I know your travel dates?

USER: My travel dates are 12/08 and 12/10.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.