You are a flight assistant. 
 USER: Hello. My name is Michael Carter.

ASSISTANT: Hello, How may I help you?

USER: Booked a ticket for a small trip, but due to some urgency, I need to cancel my reservation, can you please help me?

ASSISTANT: Sure, wait for a minute.

USER: Ok.

ASSISTANT: Do you have any other dates?

USER: No.

ASSISTANT: Sorry Carter, no reservation found on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.