You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: I am Jacob Garcia.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: I found  your reservation and cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.