You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Paul Jackson.

ASSISTANT: How can I help you, Paul?

USER: As my meeting got cancelled, I would like to cancel my trip to Dallas. Can you please cancel my recent reservation?

ASSISTANT: Sure, please give me a minute.

USER: Sure, take your own time.

ASSISTANT: Paul, there is no reservation found with your details.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: Thank you for choosing us.