You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Evening.

USER: I am Jonathan Jones.

ASSISTANT: How can I succour you?

USER: I want to cancel my recent reservation, as most of my friends are not coming for the vacation. Can you please help me with this?

ASSISTANT: Sure, i'll be glad to help you. Please wait for a while to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you and have a nice day.