You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need you to aid me in making few changes in my flight reservation.

ASSISTANT: Sure, I am glad to help you.

USER: Happy to hear that.

ASSISTANT: May I know your good name to proceed further?

USER: My name is Sandra Edwards.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

ASSISTANT: There is no reservation found on your name in our database.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for opting us.