You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please share your good name?

USER: My name is Patricia Lee.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: That's ok, thanks for the information.

ASSISTANT: Thank you for choosing us.