You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you with this.

USER: Thanks.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: Sure, I am David Roberts.

ASSISTANT: David Roberts, there is no active reservation found under your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.