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.

ASSISTANT: Sure, may I know your name please?

USER: My name is Nicole Martinez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for opting us.