You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Williams here.

ASSISTANT: How can I guide you at this moment?

USER: Can you please help me in cancelling the ticket? As my health is not good to do journeys.

ASSISTANT: Sure, I will help you with this.

USER: Ok.

ASSISTANT: Brenda Williams, 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 approaching us.