You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Evans.

ASSISTANT: How can I help you, Richard?

USER: As my meeting at Dallas got cancelled, could you please help me by cancelling my recent reservation?

ASSISTANT: Please give me a moment, I will check the status of your reservation.

USER: Sure, take your own time.

ASSISTANT: There is no reservation found with your details, Evans.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.