You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a book a flight on 21st of Aug to meet my friend. Can you book a flight?

ASSISTANT: Sure, let me know your return date?

USER: I will return on Aug 23rd.

ASSISTANT: Please share your airport codes?

USER: My source point is DTW and my destination is LAX.

ASSISTANT: May I know your connection limit?

USER: I want a connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Jason Roberts.

ASSISTANT: We found a Delta airline with fare 300 and class is economy with flight number 1026. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.