You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Wright here.

ASSISTANT: How can I guide you at this moment?

USER: Can you please help me in cancelling my recent reservation? As my health is not well.

ASSISTANT: Sure, I am gleeful to help you with this.

USER: Thank you.

ASSISTANT: William Wright, there is no active reservation found under your name in our database.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for contacting us.