You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Amy Campbell, I want to change my reservation as my orientation day program got postponed. Can you help me?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: That's fine, thanks for your assistance.

ASSISTANT: Thank you for approaching us.