You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I already have an reservation to attend the meeting, due to some problems meeting place has been changed.

ASSISTANT: Surely, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Eric Lee is my name.

ASSISTANT: Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.