Hello.
Hello, how can I aid you today?
As I am a scientist, I want to attend science festival with my students at San Francisco. Can you do the reservation?
 Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?
My airport codes are IAD-SFO.
 Do you prefer any halt in between your journey?
I need break in my journey.
On which dates would you like me to book a flight ticket for you?
Dates are 02/07 and 02/09.
On what name, do I need to reserve the ticket?
Ruth Allen here.
Ok, please wait a moment, let me search a flight for you.
Sure.
 Thanks for your precious time. We found AA airline fare of 100. Shall I proceed for booking with single stopover flight?
Go ahead.
Your ticket has been confirmed with airline number 1022.
Thank you so much.
Thank you for choosing us.