You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am Jeffrey Clark.

ASSISTANT: Ok.

USER: Due to shortage of holidays my trip has been cancelled. Can you please cancel my recent reservation?

ASSISTANT: Sure, I am here at your service. Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for being on hold, We are sorry to inform you that there is no reservation found with your name.

USER: Ok, no issue.

ASSISTANT: Thank you for availing us.

USER: Thanks for your prompt response.

ASSISTANT: Have a good day.