You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER:  can you please help me with changing my recent reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: My name is Paul Harris.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us, have a good day.