You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Jessica Williams.

ASSISTANT: Ok.

USER: Can you please cancel my reservation?

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Jessica, there is no reservation found on your name.

USER: Thank you for the information.

ASSISTANT: You are welcome.