You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: George Green here.

ASSISTANT: May I know your concern, so I can help you?

USER: I want to change my reservation today, can you please help me out?

ASSISTANT: Ok, I will definitely help you.

USER: Ok, please check soon. I will be waiting for your response.

ASSISTANT: Sorry, the name you have provided is not found in our records. Thank you for connecting our agency.

USER: Oh! That's fine. Thank you for checking. Most welcome.