You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Owing to an emergency, I need some help in changing my previous flight ticket reservation that the planned trip got postponed due to some issues, can you please help me in my flight ticket modification?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you for considering my request.

ASSISTANT: Can you please share your name?

USER: My name is Pamela Garcia.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Pamela Garcia, we regret to inform you that there is no reservation found on your name in our records.

USER: No an issue with that one, I think it is not booked properly while I was booking. Thank you for your quick information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.