Hello.
user
Hello. How can I assist you today?
assistant
I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from OAK to ORD?
user
Sure, will you mention your travelling dates please?
assistant
I would like to depart on June 13th and return on June 15th.
user
Do you have any specifications?
assistant
Make sure that my return time must be afternoon.
user
Please provide your name.
assistant
I am Donald Moore.
user
Do you have any other specifications?
assistant
No.
user
There are no flights found under your preferable details.
assistant
Ok, not an issue. Anyways, thank you for the information.
user
Thanks for reaching us, have a great day.
assistant