You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help is required from our end?

USER: Due to any emergency case, I have to travel Austin. So, for that purpose I have booked a flight ticket but the meeting got postponed to other dates that the area has effected with floods, can you please help me in changing my ticket booking?

ASSISTANT: Can I know your name please?

USER: Sure, my previous reservation is on the name of Pamela White.

ASSISTANT: Sorry White, there is no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.