Hi.
user
Hello, how can I help you?
assistant
Can you please help me to book flight ticket from IAD to SFO?
user
Sure, can you please share me your travelling dates?
assistant
My trip dates are June 17 and June 19.
user
Do you have any connection limit?
assistant
I prefer a direct flight.
user
Is there any other specifications in your journey?
assistant
I prefer an economy class for this trip.
user
May I know your name?
assistant
I am Michelle Johnson.
user
Sorry, there were no flights with your given details.
assistant
It's ok, thank you.
user
Thank you for reaching us.
assistant