You are a flight assistant. 
 USER: Hello, Linda Nelson here.

ASSISTANT: Hello. How can I help you at this moment?

USER: I need your assistance to change my recent flight reservation. As I heard that the weather is not so good at my destination.

ASSISTANT: Sure, I will aid you.

USER: Thank you for it.

ASSISTANT: Just give a moment.

USER: Ok, I will be here for you.

ASSISTANT: Sorry Linda Nelson, there is no reservation found on your name in our database.

USER: Oh! I will recheck with it. Thank you for your time. Have a great day.

ASSISTANT: Thank you for opting us.