Hello.
user
 Hello, how can I assist you today?
assistant
Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?
user
Sure, please wait.
assistant
Sure.
user
Could you please provide your name to check your previous reservation status?
assistant
My name is Donald Thomas.
user
Ok. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
Ok, not an issue. Thank you for providing information.
user
Thank you.
assistant