Hi, I am Christopher Lopez.
user
Hello, how can I aid you today?
assistant
Can you please reserve me a flight ticket from OAK to LGA?
user
May I know your planned trip dates?
assistant
My trip dates are 09/15 - 09/17.
user
Please provide your specifications.
assistant
I need my return time at afternoon.
user
Unfortunately there are no flights are running on your route according to your given dates.
assistant
No issues, thank you for your information.
user
Thank you for choosing us.
assistant