You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you now?

USER: I am Janet Rodriguez. As meeting with my client has been postponed, can you please change my reservation?

ASSISTANT: Ok. Please wait a while, I will check your previous reservation and let you know the status.

USER: Sure.

ASSISTANT: Thanks for waiting. We did not find any reservation on your name.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.