You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: Due to some health issues I could not catch my flight at right time, so I need some help to cancel my existing reservation. Will you help me in that?

ASSISTANT: Sure, I am here to aid you.

USER: Thanks.

ASSISTANT: May I know your good name please?

USER: My name is George Hall.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.