You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Christopher Lewis here. I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me?

ASSISTANT: Please wait a minute. We found a reservation, shall I proceed with cancellation? Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.