You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from LAX to ORD?

ASSISTANT: Sure, I can help you and can I know your planned journey dates?

USER: My to and fro dates are Aug 27th and 29th.

ASSISTANT: Is there any connection preference that you need?

USER: I prefer maximum one connection.

ASSISTANT: Do you have any particular airlines to travel?

USER: Any airline is fine to me.

ASSISTANT: Please let me know if you have any timing specifications.

USER: I want to depart in the afternoon.

ASSISTANT: Can I know your name please?

USER: My name is Mark Wilson.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: There is a flight in United Airlines with a fare of 100 in an economy class flight, can I confirm your flight ticket booking?

USER: Please proceed.

ASSISTANT: Your flight ticket booking is confirmed in 1027 flight number for your journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome.