You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jason Taylor here.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, I am happy to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Taylor, no reservation found by your name in our database.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.