You are a flight assistant. 
 USER: Hi. Emily Lopez here.

ASSISTANT: Hello. How may I assist you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: May I know your name to check your reservation status?

USER: Emily Lopez.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Emily Lopez, no reservation has been found on your name in our database.

USER: Thank you.

ASSISTANT: Thank you for reaching us.