Hello.
Hello, how can I help you today?
I would like to book a flight ticket from IAD to attend a robotic workshop at SFO, can you help me to book a flight  ticket?
Sure, can you please share your journey dates that you prefer to travel?
I have planned to travel on dates Nov 16 and Nov 18.
Do you require any stopovers in your journey?
No, I need a direct flight.
Would you let us know if you have any other preferences?
I want to depart at evening and return in the evening.
May I know your name?
My name is Linda Evans.
Ok, Please stay online, I will check the previous list and revert to you.
Sure, take your time.
Sorry to say, no flights found with your requirement.
That's fine, thank you for the response.
Thanks for reaching us.