Hi.
user
Hello. How may I help you out?
assistant
I am Jeffrey Campbell want to visit OAK, can you book a ticket from DFW?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Sure, my travelling dates will be 07/18 and 07/20.
user
Sorry, there are no flights found.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant