You are a flight assistant. 
 USER: Hello. Myself Janet Phillips.

ASSISTANT: Hello, do you need any help from us?

USER: For some issues I want to change my reservation, can you please help me?

ASSISTANT: Sure, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name to change further.

USER: It's ok. Thank you for the information.

ASSISTANT: You are welcome.