Hello.
user
Hello, How exactly I can serve you the best today?
assistant
I am Dennis Gonzalez.
user
Ok.
assistant
I want to change my reservation, can you help me to modify my reservation?
user
Sure, I will help you with that. Please wait a moment.
assistant
Sure.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, thank you for informing me.
user
Thank you for reaching us.
assistant