You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Clark.

ASSISTANT: How may I guide you?

USER: I need to cancel my recent ticket which is book in the last month but I have an important meeting on the same date. So, can you please help me?

ASSISTANT: Sure, I will help you on that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I have already mentioned above.

ASSISTANT: Ok, when I have checked there is no reservation status found for the name which you have give in our back end.

USER: It's ok, thank you for spending your time in checking.

ASSISTANT: Our work is to help you, thank you for contacting us.

USER: You are welcome.