You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend meeting in ORD. Can you help me in booking flight ticket?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My trip dates are Apr 22 to Apr 24.

ASSISTANT: Ok, please share me your source airport code.

USER: My airport code is SFO.

ASSISTANT: Ok, may I know your name?

USER: Michael Perez here.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: As per your request, I found a flight for you with single connection and ticket fare is 600 in business class. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket is booked with flight number 1012 and airline is UA>.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.