You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Amanda Mitchell.

ASSISTANT: Wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to make changes further.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.