You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Wilson.

ASSISTANT: Timothy, how can I help you today?

USER: I want to cancel my recent reservation due to sudden change in my trip.

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT:  I have checked and seen that there is no reservation found under your name.

USER: That's fine.

ASSISTANT: Thank you, have a good day.

USER: Thank you for your response.