You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

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

ASSISTANT: Could you please provide your name.

USER: Sure, I am Brenda Williams.

ASSISTANT: There is no reservation found.

USER: Ok, no problem.

ASSISTANT: Thanks.

USER: Thank you for your information.