You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, please wait for a moment I will check your details and proceed further.

USER: Sure.

ASSISTANT: Sorry to say, there is no reservation on you name in my database.

USER: No problem, thank you.

ASSISTANT: Thank you reaching us, have a nice day.