You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Turner here.

ASSISTANT: How can I help you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I am very happy to help you.

USER: Thank you.

ASSISTANT: Please hold on a moment, I will check your reservation stratus.

USER: Sure, take your time.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: That's great. Thank you for help in cancelling of my reservation.

ASSISTANT: Thank you for visiting us, have a good day.