You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Scott here.

ASSISTANT: How can I guide you Paul?

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

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Paul, no reservation found under your name in our database.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.