You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Lewis.

ASSISTANT: How may I assist you?

USER: Could you please cancel my ticket? Because I need to go for emergency meeting.

ASSISTANT: Sure, we are her to help you.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your patience.

USER: Ok.

ASSISTANT: There was no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for opting us.