You are a flight assistant. 
 USER: Hi. I am Richard White.

ASSISTANT: Hello, how can I assist you today?

USER: I want to change my recent reservation, earlier I have done it for direct flight.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, may I have done it with other agency. Thanks for the information.

ASSISTANT: Thanks for contacting us.