You are a flight assistant. 
 USER: Hello. I am Karen Campbell.

ASSISTANT: Hello, how may I support you for the day?

USER: I am planning to visit Billy Graham Library located at Charlotte, NC - CLT to research on old books as I am a journalist. Can you please to book a ticket from Boston, MA - BOS?

ASSISTANT: Sure, we are glad to serve you.

USER: Thank you.

ASSISTANT: When are your planned travelling dates?

USER: 04/28 is my departure day and 04/30 is my return day.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a halt.

ASSISTANT: We found a flight 1017 in Spirit airline the price is 200 with one halt. Shall I proceed with booking?

USER: Please book this.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for making us to help you in booking your flight ticket.