You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Margaret Jackson here.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Sorry, I could not find any reservation with your name in our database.

USER: Oh! I think the ticket was not booked due to server issue.

ASSISTANT: Welcome, have a great day ahead.

USER: Anyway, thank you for the information.