You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to change an existing reservation due to an emergency, can you please help me?

ASSISTANT: Sure, I am glad to help you with that. Please, share me your good name to check your reservation status.

USER: Sure, my name is Stephanie Evans here.

ASSISTANT: Ok, please be on hold for a while. I will check your reservation status and get back to you.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you that, we have not found any active reservation on your name in our records.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for choosing us.