You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from ORD to SFO. Can you book a flight ticket for me?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: I want to fly in the flight on June 09 and June 11.

ASSISTANT: Do you need any layover in between  journey?

USER: I want to travel in a connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer economy class.

ASSISTANT: May I know your name for the documentation process?

USER: Jack Lee.

ASSISTANT:  There is a flight in AA airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed and the flight number is 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.