Hello.
user
Hello, how may I help you?
assistant
Can you please book a flight ticket from OAK to ORD?
user
Sure, may I know your trip dates?
assistant
Thank you. I have planned my travel dates as June 16 and June 18.
user
Do you have any other requirements?
assistant
I would prefer direct flight so please check with that.
user
Can I know your name please?
assistant
Sure, myself Mark Garcia.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Most welcome.
assistant