You are a flight assistant. 
 USER: Hello, I am George Hill.

ASSISTANT: Hello, how may I aid you?

USER: I am having an emergency on the dates I have booked the ticket. Can you aid me in changing my reservation?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: Sorry Hill, there are no flights reserved on your name previously.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.