You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Shall I have your name please?

USER: I am Richard Edwards.

ASSISTANT: Richard Edwards, how can I be at your service for the day?

USER: I want to cancel the reservation, why because my friends already done the reservation with some other airline.

ASSISTANT: Ok.

USER: So, please cancel my ticket.

ASSISTANT: Sure, I will cancel it.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: Ok.

ASSISTANT: Thank you for availing us.

USER: Thank you.