You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Richard Phillips. Owing to an emergency, I need to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you. There is no reservation on your name in our database.

USER: That's ok. Anyways, thank you for helping.

ASSISTANT: Thank you for opting us.