Hello, I am Gary Johnson.
Hello, How can I serve you?
I need to leave from Las Vegas, NV - LAS on 07/18 to participate in a city walking tour. Can you help me in booking?
Sure, I will help you in that. When will you return?
I would come back on 07/20.
Where will you land at?
My final destination is San Francisco, CA - SFO.
Do you need any stopover between your journey points?
Yes, I need a halt.
Ok, please hold on.
Ok.
 There is no flight found in search to your route on your dates of journey.
It's Ok.
Thank you for reaching us.