You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please cancel my reservation which I have done with my name Joshua Smith.

ASSISTANT: Sure, I can help you Smith. Let me check your reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: Smith, I have not found any reservation by your name in our database.

USER: It's ok, it might be not done properly while booking itself. Anyway thanks for checking your database.

ASSISTANT: Thank you for approaching us and have a nice day.