You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, I'll help you. Please wait for a while. May I know your good name please?

USER: My previous reservation has done with the name Andrew Phillips.

ASSISTANT: I found your reservation and I have successfully cancelled it.

USER: Thank you for cancelling my reservation, I appreciate your work.

ASSISTANT: Thank you for choosing us.