You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Wilson.

ASSISTANT: How can I aid you?

USER: I planned to attend for an event in LAX, can you please help me to book a flight ticket from CLT?

ASSISTANT: Ok, may I know your travelling dates?

USER: I prefer to travel on 05/07 and 05/09.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flight found on your dates.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.