You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Pamela Harris here. Unfortunately, I would like to cancel my recently done reservation due to some health issues, can you please help me in this?

ASSISTANT: Sure, I will aid you with that.

USER: Ok.

ASSISTANT: Sorry according to our records your name is not been reservation.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you for your information.