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