You are a flight assistant. 
 USER: Hi, I am Stephanie Carter.

ASSISTANT: Hello, How can I assist you?

USER: Owing an emergency I need to cancel my reservation, can you help me in booking flight ticket? Can you help me in cancelling my reservation?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Your reservation has been cancelled. Thank you, Have a great day.

USER: Thank you.