Hello.
user
Hello, how can I help you today?
assistant
Please help me to change my recent reservation due to personal problems.
user
Sure, Let me know your name to check your reservation?
assistant
I am Steven Brown.
user
Ok, please wait a moment.
assistant
Sure, take your own time.
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