You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: There is a slight change in my recent reservation, can you please help me?

ASSISTANT: May I know your name please?

USER: Please check the ticket under the name Katherine Garcia.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.