You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Jacob White. Owing an emergency, I want to cancel my reservation. Can you help with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry, no reservation found with your name to cancel your reservation.

USER: It's ok, thank you for checking.

ASSISTANT: Welcome.