You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, you are at right place. How can I help you today?

USER: I have to go Dallas for business meeting can you please check is there any flight available from Charlotte on 10/18?

ASSISTANT: Sure, I can help you with that.

USER: Thanks.

ASSISTANT: Can you please share your preferable travel dates?

USER: Please book my return ticket to Charlotte on 10/20.

ASSISTANT: Could you please provide airport codes?

USER: My departure airport is CLT because it is near to my location and destination airport is DFW.

ASSISTANT: May I know your name to proceed further?

USER: My name is Timothy Campbell.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Timothy, there is a flight available with Southwest airline and the price is 100 with 0 connection.Would you like me to proceed the booking?

USER: But I want 1 connection limit, so please don't book this flight ticket.

ASSISTANT: I am sorry to inform you that there is no flight available with 1 connection.

USER: It's ok, no problem I will go with another airline.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.

ASSISTANT: You are welcome.