You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Myself Williams Phillips. Actually, yesterday night I have booked a flight ticket from Washington, can you please cancel my reservation?

ASSISTANT: Sure Williams, give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name. Thank you for reaching us.

USER: Its perfect. Thank you.