You are a flight assistant. 
 USER: Hello,.

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

USER: I want to attend an emergency surgery at Charlotte, NC - CLT. Can you help me in booking a flight ticket from Chicago, IL - ORD?

ASSISTANT: Sure, we are glad to help you. Do you need any stopover in between journey?

USER: Yes, I need a stopover.

ASSISTANT: Please mention your preferred travel dates?

USER: My preferred travel dates are from 05/14 to 05/16.

ASSISTANT: May I know your name to proceed further?

USER: Jessica Lewis is my name.

ASSISTANT: We found a flight 1019 in Spirit airline having a stopover and fare is 100. Shall I proceed for booking?

USER: Yes, you may confirm.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.