You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I have some personal matters that need fixing so I need to change an existing reservation. Can you please help me in that?

ASSISTANT: Sure, I can help you. May I know your name?

USER: My name is Barbara Carter.

ASSISTANT: Please wait a moment. I will check the reservation status and let you know.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time. There was no reservation found on your name.

USER: Ok, no worries.

ASSISTANT: Thank you for contacting us.

USER: Thank you.