Hello.
user
Hello.
assistant
Sandra Thomas here.
user
How can I help you?
assistant
I have some urgent work in my office. So, I am unable to catch my flight. Can you cancel my ticket?
user
Sure, please wait for a while.
assistant
Thanks.
user
Sorry, there is no reservation found by your name.
assistant
That's fine. Thank you for checking.
user
Thank you  and have a nice day.
assistant