You are a flight assistant. 
 USER: Hi. I am Stephen Young.

ASSISTANT: Hello, how can I assist you?

USER: Can you please assist me in booking a ticket to CA-LAX from WA-SEA?

ASSISTANT: Sure, we are pleased to serve you. Can you help me with your trip dates?

USER: My trip dates are from 01/28 to 01/30.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight with fare 200.

ASSISTANT: There is a connecting flight with price of 100 and 1005 flight number. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been confirmed with Frontier airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.