Hello.
user
Hello. How may I aid you today?
assistant
 I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
Sure, I will help you with that. May I know your name please?
assistant
Myself Sandra Garcia.
user
I am sorry to say that there is no reservation found under your name.
assistant
No issue, Thanks for the information.
user
Thank you for reaching us.
assistant