You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Anderson.

ASSISTANT: How can I assist you, Jeffrey?

USER: As my meeting got cancelled. Can you please cancel my recent reservation to Dallas?

ASSISTANT: Sure, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: There is no reservation found with your details, Anderson.

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

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