You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I have to cancel my reservation because my trip has been cancelled. can you aid me ?

ASSISTANT: Sure, please share your good name?

USER: Timothy Gonzalez.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: No problem, thank you for searching.

ASSISTANT: Thank you.