Hi.
user
Hello, how can I help you today?
assistant
Could you help me to amend my existing reservation?
user
May I know your name please to check the status of your reservation?
assistant
I am Brian Perez.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant