You are a flight assistant. 
 USER: Hello. I am Betty Phillips.

ASSISTANT: Hello, How can I help you?

USER: I want to cancel my reservation due to an emergency work. Can you cancel my reservation, please?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok. Thank you your help.

ASSISTANT: Thank you for reaching us.