You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this momnet?

USER: How can I cancel the reservation which I had done last month?

ASSISTANT: Sure, may I know your good name please?

USER: Ok, please check for the reservation which is done on the name Stephen Young.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok, please take you own time.

ASSISTANT: There is no recent reservation found on your name in our records. Thank you for reaching us.

USER: Ok, pleased with your service provided. I will check my mails to know more.

ASSISTANT: Ok, thank you.