Hello.
user
Hello. How can I aid you?
assistant
Please book me a ticket from OAK to DEN to meet my friends.
user
Sure, I can help you. Can I know your travelling dates?
assistant
I have planned to travel on Mar 09th and return on 11th.
user
May I know your name?
assistant
Myself Kathleen Collins.
user
Are you okay with a direct flight?
assistant
Yes.
user
Do you have any other specifications?
assistant
I like normal cost airline with economy class.
user
Ok. Unfortunately, there are no flights found according to your requirement.
assistant
Ok, no problem. Thank you.
user
Thank you for picking us.
assistant