You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you are expecting from my side?

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

ASSISTANT: Sure, may I know your name please?

USER: Thank you for that. Myself Nancy Lee.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found for the user name in our data base to cancel it.

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

ASSISTANT: You are most welcome and thank you for reaching us.

USER: Most welcome.