You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Johnson here.

ASSISTANT: Anthony, how can I help you today?

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

ASSISTANT: Sure, I will help you with this. Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Anthony, there is no reservation found on your name.

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

ASSISTANT: You are welcome.