You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Nelson here.

ASSISTANT: Nelson, how may I help you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am happy to help you. Please wait, let me check your reservation status.

USER: Sure, take your own time.

ASSISTANT: Nelson, I found your reservation and cancelled it successfully.

USER: Thank you so much for your help.

ASSISTANT: You are welcome and thank you for contacting us.