You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please let me know your name to check your previous reservation status?

USER: I am Ryan Davis.

ASSISTANT: Please wait for a  while.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to cancel.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.