You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to prefer a normal-cost airline for my business trip to Chicago. So can you book the flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: The travel dates are from 08 Aug to 10 Aug.

ASSISTANT: Please share me your source point.

USER: The airport codes are from SFO to ORD.

ASSISTANT: Do you have any other specifications?

USER: I prefer a stopover flight.

ASSISTANT: May I know your good name to proceed further?

USER: I am Brian Hill.

ASSISTANT: We found an airline: American Airlines, flight number: 1028 and price is 100 with one connection.

USER: You can book the flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.