You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sure, Dorothy Campbell here.

ASSISTANT: Ok, wait for some I will check and get back to you.

USER: Sure.

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

USER: No issues, thank you for the information.

ASSISTANT: Thanks for approaching us.