You are a flight assistant. 
 USER: Hello. I am Ronald Jones.

ASSISTANT: Hello, how can I oblige you today?

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

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, I would like to take off on Dec 14 and return on Dec 16.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

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

ASSISTANT: Thank you.

USER: You are welcome.