Hi. I am Nicholas Thomas.
Hello. How can I  help you?
I want to book a ticket from SFO to LAS, can you help me?
May I know you travelling dates please?
My travel dates are 05/08 and 05/10.
Do you have any specifications?
I want to return in the afternoon.
Wait a moment please.
I need a connecting flight.
Nicholas Thomas, there are no flights available in your route.
No problem, thanks for checking.
Thank you for reaching us.