You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Hill.

ASSISTANT: How can I aid you?

USER: I have a business meeting in Houston. Can you help me for booking a flight ticket from ORD to IAH?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a one stopover for my journey.

ASSISTANT: May I know on what dates would you like to travel?

USER: My travelling dates are 05/27 and 05/29.

ASSISTANT: Do you prefer any class?

USER: Any class is fine for me, fare should be with in 5000.

ASSISTANT: Ok. We found a  Hawaiian airline, flight number:1001 and the price is 300.

USER: I am fine with that, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for making my reservation.

ASSISTANT: Thank you for approaching  us.

USER: Welcome.