Hi. I am Brain Allen.
user
Hello, how may I help you?
assistant
I need to book a flight ticket from PHX to EWR, Can you please help me for booking?
user
Sure, may I know your trip dates please?
assistant
I would like to travel on Apr 26 to return on Apr 28.
user
Please wait for a while.
assistant
Sure.
user
Sorry Brain, there is no flight available as per your request.
assistant
Ok, no problem. Thanks for your information.
user
Most welcome.
assistant