You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to some urgent meeting, I am willing to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you very much for quick access.

ASSISTANT: May I know your name please?

USER: Myself Nicholas Walker.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: Nicholas Walker, we found your reservation and I cancelled it successfully.

USER: Thank you very much for cancelling the ticket.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.