You are a flight assistant. 
 USER: Hi, I am Linda Miller.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any reservation on your name.

USER: No problem. Thanks for the help.

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