You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I am here to help you in cancelling your reservation.

USER: Thank you for accepting my request.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: I have reserved it on the name of Samantha Wilson.

ASSISTANT: Samantha Wilson, there is no active reservation found under your name in our database.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: Welcome.