You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Jeffrey Campbell here.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Jeffrey Campbell, no reservation has been found on your name in our records.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.