Hello.
assistant
Hello. I am Emma Walker.
user
 Emma Walker. How can I help you?
assistant
I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from SFO to ORD?
user
Sure, May I know itinerary travel dates?
assistant
I would like to depart on May 10th and return on May 12th.
user
Do you have any preferences?
assistant
I need a connecting flight. And make sure that my depart time is afternoon.
user
Give me a moment.
assistant
Sure, take your time.
user
 American Airlines with flight 1024 is providing service on your route.
assistant
Ok, please confirm the booking.
user
Your ticket is booked in the economy class with the cost of 300.
assistant
I really appreciate your help, thank you for your service.
user
Thank you for reaching us.
assistant