You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Timothy Wilson here. My interview has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no active reservation on your name.

USER: No problem, thank you.

ASSISTANT: Thank you.