You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jason Hill here.

ASSISTANT: How can I help you?

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

ASSISTANT: Ok, I will help you with that. Please, wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for approaching us.