Hello, Christopher Edwards here.
Hello, Christopher. How can I help you today?
 I want to book a ticket for attending a function in my home, hope your helping me on that. Can you book my ticket from PHX to SFO?
Sure, I can help you with that. Christopher, can you please help me with your travelling dates?
It's 07/26 to 07/28.
Ok, let me check for the availability of flight. Christopher, I am sorry to inform you that there is no flight available at your requested dates.
It's ok. Thank you for your information.
You are welcome. Thank you for contacting us.