You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Jessica Turner.

ASSISTANT: How can I aid you?

USER: I made a earlier reservation to attend a seminar, but my seminar place has been changed. Can you please change my reservation?

ASSISTANT: Sure, I can help you. Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: We didn't found nay reservation by this name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for choosing us.