You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ryan Collins.

ASSISTANT: Ryan, how may I guide you?

USER: Due to some urgent work assigned to me at office, I would like to cancel my trip. Can you please cancel my reservation?

ASSISTANT: Sure, I am here to help you with that. Let me check your reservation status in our records.

USER: Sure.

ASSISTANT: Ryan, sorry for inconvenience. No reservation is found on your name in our records.

USER: Its ok, no issues. Thank you for the information.

ASSISTANT: you are most welcome.