You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I have attend a business meeting in Seattle SEA from Dallas DFW. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: Ok, my planned trip dates are on Jan 14 and return on Jan 16.

ASSISTANT: Do you have any connection limit?

USER: Ok, I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May, I know your good name?

USER: Ok, my name is Margaret Roberts.

ASSISTANT: We found 1003 Delta airlines with single connection with price 100. Shall I proceed with the booking?

USER: Please proceed with the ticket booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.