You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How can I help you?

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

ASSISTANT: Please provide me your name.

USER: Sure, my name is Laura Taylor.

ASSISTANT: Sorry Laura, no reservation found on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.