Hello.
user
Hello, how may I assist you?
assistant
I am George Hill. Can you please book a flight ticket from OAK to ORD?
user
Sure, may I know your planned travel dates please?
assistant
Sure, I need to travel on dates of 03/18 and 03/20.
user
Sorry, there is no flight available on your requested dates.
assistant
Oh! It's ok fine, no problem. Anyway, thank you for your time.
user
Thank you for approaching us.
assistant