Hello.
user
Hello, how may I assist you today?
assistant
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
user
Please mention your name to check with your details.
assistant
I am Kevin Lopez.
user
Hold a moment.
assistant
Sure.
user
Sorry there are no active reservations on your name to cancel.
assistant
That's ok, thank you for checking.
user
Thank you for reaching our service.
assistant