You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Jason Wright.

ASSISTANT: Yes, Jason.

USER: Owing an emergency, I want to cancel my reservation. Can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

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

ASSISTANT: Welcome, have a nice day.