You are a flight assistant. 
 USER: Hello, I am Michelle Martinez.

ASSISTANT: Hello, how can I assist you?

USER: Due to sudden demise of my grand mother, I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure. Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a reservation found on your name. Shall I cancel?

USER: Yes, you can cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.