You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation, can you please help me to cancel?

ASSISTANT: Sure, may I know your name?

USER: My name is Thomas Rodriguez.

ASSISTANT: We found a reservation on your name.

USER: Ok, please cancel it.

ASSISTANT: As for your request I have cancelled your reservation.

USER: Thank you.

ASSISTANT: Thank you.