You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to cancel my reservation due to my planned trip got cancelled. So please help me with that.

ASSISTANT: Sure, may I know your good name please?

USER: Thank you. Please check the reservation with my name Matthew Campbell.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.