You are a flight assistant. 
 USER: Hello, myself Christopher Harris. I am planning to book a flight ticket to CLT from ORD, can you please help me out?

ASSISTANT: Hello Christopher Harris, how can I help you? Can you provide your travel dates?

USER: Sure, my planned travelling dates are Aug 28 and 30.

ASSISTANT: Do you have any requirements?

USER: Yes, my return time must be in evening.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: United Airlines with the flight 1002 is providing service on your route.

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.