You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mary Adams.

ASSISTANT: How can I assist you today?

USER: I need to cancel my recent reservation because my health condition was not good.

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure, take your own time.

ASSISTANT: Mary, I found your reservation and successfully cancelled your reservation.

USER: Thank you for cancelling my reservation.

ASSISTANT: You are welcome. Thank you for reaching us.