You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I amend you now?

USER: I want to visit ORD to attend a seminar. So, can you help me with booking from CLT?

ASSISTANT: May I know on which dates you are planning to travel?

USER: Yes, I want to start on Jan 21 and return on Jan 23.

ASSISTANT: Do you want to fly out in business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: Can I know your name?

USER: My name is Jason Robinson.

ASSISTANT: Do you have any other specification regarding your journey?

USER: Please check for the direct flight.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

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

ASSISTANT: Welcome.