You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for a while I will check the reservations on your name and get back to you.

USER: Sure, take your time.

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

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

ASSISTANT: Thanks for approaching us.

USER: You are welcome.