You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can 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, can you please let me know your name to check with the reservation status?

USER: My name is Catherine Davis.

ASSISTANT: Sorry, there is no active reservation found under your name to amend.

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

ASSISTANT: Thank you for reaching us!.