You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel my reservation,will you help me?

ASSISTANT: Sure, we are here to help you. Please provide your name. So that I will check for the reservation.

USER: My name is Jennifer Hernandez.

ASSISTANT: Ok, Please wait a moment. Thanks for waiting. We do not found any reservation on your name.

USER: No problem. Thank you.