Hello.
Hello. How can I assist you today?
Can you  please book a flight ticket from SFO to LAS?
Sure, will you mention your travelling dates please?
Thank you. I have  planned my travel  dates as  Apr 14 and Apr 16.
Do you have any preferences about flight connections?
I am looking for direct flight.
Do you have any preferences about class?
No but I would like to depart in afternoon time so please make sure that.
Please mention your name.
Sure, myself Steven Williams.
There is no flights found under your preferable details.
Oh! It is sad to hear. Anyway, thank you for your  time.
Welcome, have a great day.