Hello, I am Michael Hall.
user
Hello. How can I assist you today?
assistant
Can you help me in booking a flight ticket from CA - SFO to DC - IAD?
user
Sure, may I know your preferable dates?
assistant
I want to fly on 05/02 and return on 05/04.
user
Please wait for a minute.
assistant
Sure.
user
Sorry, no flights are available on your desired route.
assistant
Not an issue. Thank you.
user
Thank you for opting us.
assistant