You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Justin Collins.

ASSISTANT: How may I aid you?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: My pleasure.

ASSISTANT: Sorry, no reservation in your name has been there.

USER: Thanks for your kind response.

ASSISTANT: Thank you for reaching us.