Hello.
user
Hello, how can I help you today?
assistant
I want to do some modifications in my previous reservation, can you please help me out?
user
Sure, Let me know your name to check your reservation?
assistant
My name is Sarah Jones.
user
Ok, please wait a moment.
assistant
Sure, I will wait for your response.
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
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant