You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Thomas Brown.

ASSISTANT: How can I aid you today?

USER: I want to cancel my recent reservation, please help me out.

ASSISTANT: Sure, wait a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we did not find any reservation with your name.

USER: No issues, thanks for the information.

ASSISTANT: Thanks for contacting us, hope to serve you again.