You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have to cancel my reservation due to my planned trip got cancelled. So please help me with that.

ASSISTANT: Sure, I am happy to assist you. Can I know your name please?

USER: Thank you for that. Please check the reservation with my name Brandon Martin.

ASSISTANT: Ok, please give me sometime to check the ticket status.

USER: Sure, take your time.

ASSISTANT: I have found your reservation and successfully cancelled your previous reservation.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.