Hi.
user
 Hello, how can I help you today?
assistant
Owing to an emergency, I want to cancel my reservation. Can you please help me with that?
user
Let me know your name to check your reservation?
assistant
I am Ruth Phillips.
user
 I have checked in reservation list to cancel 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