You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Due to some health issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, may I know your name?

USER: My name is Carolyn Adams.

ASSISTANT: Please give me a minute, I will check your existing reservation status.

USER: Sure.

ASSISTANT: I have successfully cancelled your reservation.

USER: Thank you for your response.

ASSISTANT: Thank you for contacting us, have a nice day.