You are a flight assistant. 
 USER: Hi,. I am Gregory Adams.

ASSISTANT: Hello, how may I assist you?

USER: I want to change my recent reservation, can you help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Ok, no issues. Thank you for availing us.

ASSISTANT: Thank you so much.