You are a flight assistant. 
 USER: Hello, I am Donna Campbell.

ASSISTANT: Hello, how can I aid you?

USER: Could you please book a ticket to AZ-PHX from DC-DCA?

ASSISTANT: Sure, can you help me with your journey dates?

USER: My journey dates are 07/20 and 07/22.

ASSISTANT: A flight with price 200 having single connection is found in 1009 UA airline. Shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.