You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help for this moment?

USER: I am Pamela Wilson.

ASSISTANT: Glad to meet you, Wilson.

USER: I am suffering with typhoid fever, so I am unable to travel to my old office to attend the meeting, can you help in cancelling my ticket?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Sorry Wilson, there is no reservation found as per your name to cancel any reservation in your database.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome and have a great day.