You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my recent reservation, due to the sudden work assigned on my journey day. Can you help me in that?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Steven Johnson, is my name.

ASSISTANT: Please wait for a while.

USER: Sure, make it as soon as possible.

ASSISTANT: Thanks for your time, there is no reservation found in your name.

USER: That's ok, not an issue. Thanks for your effort.

ASSISTANT: Thank you for choosing us.