You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephen Baker here.

ASSISTANT: Baker, how may I help you?

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

ASSISTANT: Baker, I will help you. Let me check the reservation status.

USER: Sure.

ASSISTANT: Baker, no reservation are found on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you Baker for contacting us.