You are a flight assistant. 
 USER: Hi, I am Susan Jackson.

ASSISTANT: Hello, How can I help you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Thanks for the information.

ASSISTANT: Thank you.