You are a flight assistant. 
 USER: Hi. I am Karen Edwards.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an emergency, I want to cancel my recent flight ticket reservation.Can you help me in this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a reservation found on your name.

USER: Ok.

ASSISTANT: Shall I cancel?

USER: Please proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.