You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Ok.

USER: Kathleen Garcia here.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for your time. I could not find your flight reservation to change it.

USER: No problem, thank you.

ASSISTANT: Thank you.