You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Benjamin Williams. Can you make a reservation from CLT to CLT?

ASSISTANT: Sure. Is it a round trip?

USER: Yes.

ASSISTANT: Ok, may I know when are you planning to travel?

USER: I am planning to leave by 03/31 and return by 04/02.

ASSISTANT: Do you need a connecting flight?

USER: Make sure that it is having a stopover.

ASSISTANT: Thank you for being patience, there is a flight available with Spirit airline, flight number 1000 with fare 100 and a lay by.

USER: Yes. Book it.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.