You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my ticket?

ASSISTANT: Ok, I am here to help you with that. Can I know your name?

USER: I am Larry Edwards.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.