Hello, I am Mary Walker.
user
Hello, how may I assist you today?
assistant
I would like to go from Francisco to Chicago, can you help me to book a ticket?
user
Sure, may  I know your travelling dates please?
assistant
My preferable dates are from 10/29 to 10/31.
user
Ok, any specific requirements?
assistant
Yes, please make sure price limit should not exceed 200. Connection limit one.
user
Ok, could you help me with your airport codes please?
assistant
My airline codes are from SFO to ORD.
user
Ok, please wait I will let you know.
assistant
Ok.
user
Thanks for waiting, flight: 1022, airline: Delta, price: 100 and with single connection matches with your requested details. Shall I proceed?
assistant
Yes, you can.
user
Ok, your ticket has been confirmed.
assistant
Thank you.
user
Thank you for choosing us.
assistant