Hello.
user
Hello. How can I assist you today?
assistant
I would like to travel from OAK to SFO as a business trip.
user
Sure, can I have your travel dates please?
assistant
My journey dates are 12/13 and 12/15.
user
Ok, please let me know your  preferable timings of your journey.
assistant
I am comfortable with any timings.
user
Do you  have any other specifications?
assistant
I need break in my journey.
user
Can I have your good name please?
assistant
George Phillips here.
user
Sorry George Phillips, no flight is available to you on  your dates.
assistant
No problem, Thanks for the information.
user
Thank you for choosing us, have a good day.
assistant