You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Amanda Martin here. My wedding got postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database to change.

USER: No problem, thank you.

ASSISTANT: You are most welcome.