You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Benjamin King.

ASSISTANT: How can I help you?

USER: Due to my ill health, I would like to cancel my reservation. Can you help me?

ASSISTANT: Sure, I am happy to help you with that. Ok, wait for a minute.

USER: Ok, take your time.

ASSISTANT: Sorry for the trouble, there is no reservation found on your name in our database.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.