You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Anderson.

ASSISTANT: How may I serve  you today?

USER: Due to some health issues I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, just a moment I will check the reservation list.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: Ok, problem,.

ASSISTANT: Thanks for opting us.

USER: Thanks for your information.