You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Justin Wright. Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I will help you. Please, wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I cancel it?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.