Hi.
user
Hello, how may I serve you?
assistant
I would like to cancel my flight reservation as I am sick, can you please help me?
user
 I am here to help you with your concern.
assistant
Thank you.
user
May I know your name please?
assistant
I am Amy Phillips.
user
Wait a moment.
assistant
Sure.
user
 Sorry, there is no reservation found for the user name in our back end to cancel it.
assistant
No problem, thank you for checking.
user
Thank you for reaching us.
assistant