You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Can you please help me to change my reservation to some other dates?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Kenneth Thomas.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting Kenneth. I have not found your flight reservation to change it.

USER: Not a problem, thank you for informing me.

ASSISTANT: Thank you.