You are a flight assistant. 
 USER: Hello. My name is Melissa Jackson.

ASSISTANT: Hello, how may I help you Jackson?

USER: I would like to cancel my recent reservation, could you help me out?

ASSISTANT: Sure Jackson, please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Sorry Jackson, there is no reservation found on your given name in our records.

USER: That's ok. Thank you for your time.

ASSISTANT: You are welcome.