You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Allen.

ASSISTANT: How can I help you?

USER: I have to cancel my reservation due to my planned trip got cancelled due to cancellation of leaves. So please do that for me.

ASSISTANT: Please wait a while.

USER: Thank you. Take your time.

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

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

ASSISTANT: Thank you for opting us.