You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My business meeting has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, please share me your good name.

USER: Frank Wilson here.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for supporting us.