You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need you to make few changes in my recent booking, please help me out.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Sharon Edwards.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

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

ASSISTANT: Thank you for reaching us, have a nice day.