Hello.
user
Hello.
assistant
I am Karen Robinson.
user
How may I aid you today?
assistant
Can you please book a flight ticket from SFO to OAK?
user
Please mention your travelling dates.
assistant
Sure, I need to travel on dates of 05/22 and 05/24.
user
Sorry Karen, there are no flights running on that route.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for choosing our service.
assistant
Most welcome.
user