You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my ticket due to urgent meeting, can you help me with that?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: I am George Moore.

ASSISTANT: Ok, please wait for a while. I found your reservation and I have successfully cancelled it.

USER: Thank you for that.

ASSISTANT: Thank you for choosing us.