You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emily Lopez here.

ASSISTANT: How may I help you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Emily Lopez.

ASSISTANT: I found your reservation on your given name and it has been cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.