You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER:  I am Jeffery Hall want to cancel my reservation owing an emergence. Can you help me in cancelling?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you.