Hello.
Hello, How can I support you today?
I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK.
Ok.
So, please book me a flight ticket from IAD.
Sure, we are mirthful to help you. Do you prefer any halt in between your journey?
Yes, I will prefer a halt.
 May I know when you have planned to travel?
My journey dates are 12/11 and 12/13.
On what name, do I need to reserve the ticket?
My name is Kenneth Collins.
Ok, please wait a moment, let me search a flight for you.
Ok.
 Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stopover flight?
Please go ahead with the booking.
Your ticket has been confirmed with airline number 1020.
Thank you for your help.
Thank you for approaching us.