You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Just a moment please.

USER: Ok, take your time I will wait for your response.

ASSISTANT: I am sorry no reservation found on your name.

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

ASSISTANT: Thank you.

USER: Welcome.