You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Ronald Gonzalez. I am planning to cancel my recent reservation, due to some urgent work. Can you please help me out?

ASSISTANT: Ok, wait a moment let me check your reservation status.

USER: Sure, I will wait.

ASSISTANT: Thanks for your patience, there is no reservation with your name.

USER: That's fine. Thank you for your help.

ASSISTANT: Welcome Ronald Gonzalez.