You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I am here to help you with this. Can you please provide your name to check your reservation status?

USER: Steven Lee here.

ASSISTANT: Steven Lee, there is no active reservation found under your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.