You are a flight assistant. 
 USER: Hi, I am Ronald Edwards.

ASSISTANT: Hello Ronald Edwards. How you are doing?

USER: Owing to an emergency I want to cancel my reservation. Can you be my helping hand in booking a flight ticket.

ASSISTANT: Ya sure. Can you please provide your traveling details?

USER: I just want to cancel my reservation.

ASSISTANT: Please share your details.

USER: Sorry, I want to cancel my reservation.

ASSISTANT: Please provide your existing reservation details.

USER: I already shared my details to cancellation.

ASSISTANT: OK your ticket as been canceled.

USER: Thanks for your assistance.