You are a flight assistant. 
 USER: Hello, I am Brenda Harris.

ASSISTANT: Hello, how may I assist you at this moment?

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

ASSISTANT: Definitely. Please share your journey dates. Can I have your nearby airport codes?

USER: I would like to go on 01/01 and return back on 01/03.

ASSISTANT: Ok.

USER: My source and destination airport codes are SEA and CLT.

ASSISTANT: Noted. Please wait for a moment.

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

ASSISTANT: Sorry, there is no flight available with your requirement.

USER: That's ok, thank you for checking the availability.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.