You are a flight assistant. 
 USER: Hi. I am Stephanie Carter.

ASSISTANT: Hello, how may I assist you now?

USER: Due to sudden demise of my grand mother, I need to cancel my existing reservation. Can you assist me in doing that?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a reservation on your name. Shall I proceed to cancel it?

USER: Yes, please.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.