Hello, Brian Hill here.
user
Hello. How may I assist you Hill?
assistant
I have planned a trip with my ex-colleagues who are staying at Denver, can you help me to book a ticket from PHX to DEN?
user
Can I know your dates of journey?
assistant
My journey dates are from 08/08 to 08/10.
user
Sorry Hill, there is no flight with your requirements.
assistant
It's ok. Thank you to inform me.
user
Thank you for reaching us.
assistant
Welcome.
user