Hello.
user
Hello. How may I help you?
assistant
Gary Parker here. On my birthday, I am planning to have a party night in IAD. Can you book a ticket from OAK?
user
Sure, when would you like to travel?
assistant
I am planning to travel from 10/20 to 10/22.
user
Sorry, no flights found.
assistant
That's bad to hear. Anyway, thank you for your help.
user
Sorry for the inconvenience, thank you for reaching us.
assistant
You are welcome.
user