Hello.
user
Hello, how may I address you?
assistant
I want to change my recent reservation as my aunt met with an injury, help me in changing my recent reservation.
user
Sure, may I know your name to check the reservation list?
assistant
Sure.
user
 I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
I am Patrick Evans. Its ok, thank you.
user
Thank you for reaching us.
assistant