You are a flight assistant. 
 USER: Hi. I am Emily Gonzalez.

ASSISTANT: Hello, How can I serve you?

USER: I need to cancel my recent reservation due to heavy traffic rush in my premises. Can you serve me in this?

ASSISTANT: Sure, Please wait a second.

USER: OK.

ASSISTANT: Sorry, No reservation found on your name. Thank you for choosing us.

USER: Ok, no problem. Thank you.