Hello. Jacob Mitchell here.
user
Hello, how can I guide you for today?
assistant
As I am a doctor I want to attend for an emergency surgery at OAK. Can you please book a flight from IAH?
user
Can you please share on what dates you are willing to travel?
assistant
Sure, my travelling dates are from Dec 13 to Dec 15.
user
Do you have any class preferences?
assistant
No.
user
Do you have any airline preferences?
assistant
No.
user
Do you have any other requirements that you are looking for?
assistant
Yes, I need a connecting flight and my return time must be in the afternoon.
user
There is a flight with ticket fare 800 in Delta airlines with a stopover in business class. Is it ok for you?
assistant
Ok, please book my ticket.
user
Your booking is confirmed with flight number 1000.  Departure time is 21:00 PM and arrival time is 16:00 PM.
assistant
Thank you.
user
Thank you for contacting us, have a nice day.
assistant