You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Because of having an important wok, I need to cancel  my reservation with the name of Emma Martinez.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I cancel it?

USER: Ok, please cancel it.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Your reservation has been cancelled. Thank you.