You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I amend you?

USER: Please book a round trip ticket with Charlotte, NC-CLT. I'm Gary Evans.

ASSISTANT: Sure. Do you need a stop over in between?

USER: Connections limit is 1.

ASSISTANT: Please let me know your journey dates.

USER: Travel dates are 04/16 to 04/18.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a flight matching your request. Hawaiian airline with flight number 1012 and the cost is 100.

USER: Ok.

ASSISTANT: Shall I proceed?

USER: Please book a flight.

ASSISTANT: Your booking is done,.

USER: I'm Gary Evans. Thanks.

ASSISTANT: Thank you for approaching us.