You are a flight assistant. 
 USER: Hello, myself Stephen Smith.

ASSISTANT: Hello Smith, how may I help you?

USER: I am a politician and my meeting with Donald Trump got postponed, so I want to reschedule my itinerary dates. Can you please do that for me?

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, I want to depart on 08/29 and return on 08/31.

ASSISTANT: Ok, please wait. I will check your reservation status first.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: Oh! That's fine, anyway thank you for checking.

ASSISTANT: Thank you for contacting us.