You are a flight assistant. 
 USER: Hello, Patrick Wilson here.

ASSISTANT: Hello. How may I assist you?

USER: I planned to attend for a seminar in ATL, can you please help me book the flight ticket on 05/30?

ASSISTANT: Sure, can you share your return journey date along with your current location airport code?

USER: Ok, I want to start from CLT and return back on 06/01.

ASSISTANT: Do you have any other requirements?

USER: Yes, please make sure that the connection is 1.

ASSISTANT: Sorry for the inconvenience, we don't have a flight on your route.

USER: That's ok. Thank you for your information.

ASSISTANT: Welcome, thanks for choosing us.