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

ASSISTANT: Hello, how may I aid you today?

USER:  I have to attend an emergency surgery at my hospital, can you reserve me a flight ticket with fare 500?

ASSISTANT: Sure, I am here to help you. May I know your starting date of journey?

USER: I am willing to start on 02/10.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Could you please share your boarding and landing points?

USER: My boarding point is CLT and landing point is IAD.

ASSISTANT: Help me with your return date.

USER: My return date is 02/12.

ASSISTANT: Please, wait for a while.

USER: OK.

ASSISTANT: Thank you for being patience, there is a flight with airline: UA, flight number:1002, price 100, 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.