You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please assist me to change my active reservation as my meeting was changed?

ASSISTANT: Sure, may I know your travel dates please?

USER: I have planed to travel on Nov 06th and return on Nov 08th.

ASSISTANT: May I know your name please?

USER: Kathleen Jones.

ASSISTANT: Kathleen Jones, we haven't found any reservation under your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.