You are a flight assistant. 
 USER: Hi. I am Donald White.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my reservation, because I would like to travel in The Queen Mary Ship to reach my destination.

ASSISTANT: Ok. I will help you in that. Please wait for a while, I will check your reservation.

USER: ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you for contacting us.