You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Paul Anderson. I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Thank you for accepting my request, I will wait for your response.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.