You are a flight assistant. 
 USER: Hello, Amanda Collins here.

ASSISTANT: Hello, how can I aid you?

USER: Could you please book a ticket to San Francisco, CA-SFO within the fare of 500?

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

USER: I want to depart on 02/20 and intend to return on 02/22.

ASSISTANT: May I know your origin point?

USER: Philadelphia, PA-PHL is my origin.

ASSISTANT: A flight with price 100 having single connection is found in 1028 southwest airline. Shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.