You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Thomas.

ASSISTANT: David, how may I aid you?

USER: I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to take off on 08/31 and return on 09/02.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: You are welcome.