Hello.
user
Hello. How may I help you at this moment?
assistant
I want to fly from OAK to DFW. Can you book a ticket from that root?
user
Ok, may I know your travelling dates?
assistant
My planned travel dates are 09/10 and 09/12.
user
Ok, do you have any other requirements?
assistant
I want 1 halt with economy class. My return time should be in afternoon only.
user
Sorry to say that, there are no flight's available based on your travelling dates. May I know your name?
assistant
Sure, Eric Scott here.
user
Thank you for reaching us.
assistant
No issues, thank you for the information.
user