You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My friend birthday party place has been changed to New York. Can you please change my existing reservation?

ASSISTANT: Sure, I am here to help you with that, may I know your good name to check your recent reservation?

USER: Thank you. Matthew Wright here.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: Sorry, no reservation is found on your name in our database.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.