Hello.
user
Hello, how can I help you?
assistant
Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?
user
Sure, I am willing to help you. Please share your name.
assistant
My name is Joseph Miller.
user
Wait a minute please.
assistant
Sure, I will wait for your response.
user
Thank you for waiting,  sorry no reservation  found on your name.
assistant
Ok, not an issue. Thank you for providing information.
user
Thank you for choosing us, have a good day.
assistant