You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What can I do for you?

USER: Can you please help me with changing my recent reservation?

ASSISTANT: Sure, May I know your name?

USER: My name is Laura Harris.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.