You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me?

ASSISTANT: Sure, I will help you. Can you please provide your name for checking the reservation status?

USER: I am Samuel Jackson.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Samuel Jackson, there is no active reservation found under your name in our database to cancel it.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.