Hello,.
user
Hello, how can I aid you?
assistant
Please book a ticket from Oakland, CA-OAK to Las Vegas, NV-LAS for science festival.
user
Ok, may I know your travel dates?
assistant
My travel dates are from 09/10 to 09/12.
user
Do you have any preference?
assistant
Price limit is 200. Connections limit is 1.
user
 We found a connecting flight UA with flight number 1003 and fare is 100.
assistant
Please book a ticket.
user
 Your booking is confirmed. Thank you.
assistant
Thank you.
user
May I know your name?
assistant
I am Eric Scott.
user