You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Emma Smith, due to some business meeting I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, I will wait for your kind response.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Not a big deal. Anyway, thank you very much for your kind service.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.