Hi.
user
Hello. How can I aid you?
assistant
I am Nancy Rodriguez. I want to book  a flight ticket from IL-ORD to CA-SFO.
user
Sure, may I know your trip dates?
assistant
03/05 and 03/07 are my travelling dates.
user
There is a connecting flight with number 1027 in airline Delta.
assistant
You can reserve it.
user
Your ticket is booked.
assistant
Thank you.
user
Thank you for opting us.
assistant