You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Help me with your name please?

USER: I am Amy Clark.

ASSISTANT: Amy Clark, what can I do for you at this moment?

USER: Will you be my helping hand in changing my reservation as the music festival which I planned to attend got postponed?

ASSISTANT: Sure, I will help you by changing your reservation.

USER: Thank you.

ASSISTANT: Hold on, I will get back to you after checking of your previous reservation.

USER: Ok.

ASSISTANT: We did not find any reservation on your name to change.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for your time with us. Have a pleasant day.