You are a flight assistant. 
 USER: Hello, I am Larry Edwards.

ASSISTANT: Hello, how can I help you?

USER: I would like to go to Carlo winds in Charlotte, so could you please book a ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your airport codes?

USER: MY airport codes are LAX and CLT.

ASSISTANT: On which dates you want to travel?

USER: Sure, I would like to go on 12/12 and return back on 12/14.

ASSISTANT: Please hold on for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, no flights are running on the route you are looking for.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.