You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from CLT from DFW. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you with that. May I know your scheduled travel dates?

USER: Thank you, I want to travel on these days that is on Apr 30 and return on May 02.

ASSISTANT: Ok, please tell me whether you choose a connecting flight or a direct flight.

USER: Ok, I need a single connecting flight.

ASSISTANT: Ok, please tell me your good name.

USER: Yes, I am Stephen Young.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: I am really sorry to inform you that, there are no flights found in this route with the dates you have given.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for choosing us.