You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my reservation, why because my friends already done my reservation with some other airlines. Could you please help me out?

ASSISTANT: Sure, we are happy to help you. May I know your name please?

USER: I am Emma Hall.

ASSISTANT: Ok, Emma Hall, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to tell that no reservation has found on your name.

USER: Ok, no problem at all. Thank you for giving instant service without any delay.

ASSISTANT: Thanks for choosing us, have a nice day.