You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Margaret Jackson. I need to change my name in my reservation, can you help me out please?

ASSISTANT: Sure, please give me a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your details to change your name.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing us.