Hello.
user
Hello.
assistant
I am Melissa Scott.
user
How can I assist you?
assistant
I am planning to visit San Francisco, can you please book me a ticket from IAD to SFO?
user
Sure, may I know your journey dates please?
assistant
My preferable journey dates are from 03/09 to 03/11.
user
Please be on hold.
assistant
Sure.
user
Sorry to inform you that there are no flights available for you on those dates.
assistant
Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.
user
Thank you for choosing us.
assistant