Hello,. I am Robert Green.
user
Hello, How can I assist you?
assistant
 I would like to attend Digital Marketing Workshop in New York, EWR. Can you please reserve a flight ticket on 10/20 and 10/22?
user
Sure, May I know the source code?
assistant
My source point is Oakland, OAK.
user
Please wait a minute.
assistant
Sure.
user
Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport. Thank you for choosing us.
assistant
Ok, no problem. Thank you.
user