You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to change my reservation due to health issues, can you help?

ASSISTANT: Yes, I will help you in that.

USER: Thank you.

ASSISTANT: Please provide your name.

USER: My name is Alexander Edwards.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

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

USER: That's ok, thank you for your information.

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