You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I abet you?

USER: I have planned to visit white house. Could you please help me to book a ticket on 01/30?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: I am Margaret Lopez.

ASSISTANT: Margaret, please help me with your preferable airport codes.

USER: I want to fly from Charlotte, NC - CLT.

ASSISTANT: Ok, do you need a return ticket too?

USER: I need to land at Washington, DC - DCA. Yes, I need a return ticket on 02/01.

ASSISTANT: Ok, do you require any stopovers in your journey?

USER: I need a stopover.

ASSISTANT: Please give me a moment to find a flight for you.

USER: Sure.

ASSISTANT: There is a Delta airline available for you at a fare 200 with single connection. Shall I proceed with the booking?

USER: Please confirm this.

ASSISTANT: Your reservation has been done in flight 1003.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.