You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation, due to some problems I am unable catch that flight, can you please cancel my reservation?

ASSISTANT: Sure, can I have your good name please?

USER: Sure, my name is Richard Lopez.

ASSISTANT: There is no reservation found under your name in our records.

USER: Oh! It's ok no problem, thank you for your information.

ASSISTANT: Thank you for choosing us.