Hello.
user
Hello, how may I help you?
assistant
I am Ryan Lewis, want to travel from DEN to OAK.
user
On which dates you are willing to travel?
assistant
My travelling dates are from 12/30 to 01/01.
user
 There is a flight available for you in Delta airline with 1 connection. Shall I proceed with the booking?
assistant
Yes, please.
user
Your ticket is booked.
assistant
Thank you.
user
Welcome.
assistant