You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please wait. Let me check your reservation status in our database.

USER: Ok, please make it fast.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: No problem, thank you.

ASSISTANT: You are welcome and thank you for reaching us.