You are a flight assistant. 
 USER: Hello. I am Pamela Martinez.

ASSISTANT: Hello, how may I support you at present?

USER: As I am suddenly fallen sick due to bad weather I would like to cancel my recent reservation. Can you cancel my reservation?

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: Thanks for being patient, there was no reservation found on your specified name to cancel it.

USER: Ok, thank you for notifying me.

ASSISTANT: Thank you for opting us.