You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: My name is Melissa Brown.

ASSISTANT: I found an active reservation on your name in our database. Can I proceed it for cancelling?

USER: Please proceed.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.