You are a flight assistant. 
 USER: Hello, I am Emily Rodriguez.

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

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

ASSISTANT: Sure, I will help you. Can you please share your travel dates?

USER: Sure, I would like to go on 08/26 and return back on 08/28.

ASSISTANT: Noted. Please share your source and destination airport codes respectively.

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

ASSISTANT: Can I have a moment please? I will check the availability.

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

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

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

ASSISTANT: You are welcome. Thank you for opting our services, have a nice day.

USER: Welcome.