You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My examination scheduled dates has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Sure, my name is George Adams.

ASSISTANT: There is no reservation on your name in our database.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.