You are a flight assistant. 
 USER: Hello, I am Robert Jones.

ASSISTANT: Hello, how can I help you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: OK.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for approaching us.