You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to cancel my ticket booking, can you help me?

ASSISTANT: Sure, I am here to help you out in cancelling the flight ticket.

USER: Thank you.

ASSISTANT: Please provide me your name to check the previous reservation on your name.

USER: I am Emma Gonzalez.

ASSISTANT: Sorry Emma, no reservation found on your name.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for reaching us.