Hello.
user
Hello, how can I help you today?
assistant
I need to reserve a ticket from OAK to DEN, could you help me?
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
My trip dates are May 14 to 16.
user
Ok, please mention your name.
assistant
Angela Moore here.
user
Do you have any specification?
assistant
I prefer business class.
user
Sorry, no flights are available on your preferable travel dates.
assistant
Ok, no issues. Thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant