Hello. I am Carol Evans.
user
Hello, How can I help you?
assistant
Please reserve me a flight ticket to San Francisco, SFO to attend a seasonal festival with my friends.
user
Sure, May I know the source code?
assistant
Philadelphia, PHL is my boarding point.
user
Please help me with your travel dates.
assistant
My travelling dates are from 05/15 to 05/17.
user
Please wait a moment.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
It's ok.
user
Thank you for opting us.
assistant
Thank you for the information.
user