You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carol Robinson here.

ASSISTANT: How can I aid you today?

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

ASSISTANT: Sure, please wait a second. I will check the status.

USER: Sure.

ASSISTANT: Sorry, to inform you that there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.