You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Stephanie Thompson. I want to book a flight ticket to CA - LAX for my birthday shopping. Could you help me in flight booking?

ASSISTANT: Sure, I will help you. May I know your source code?

USER: My source from AZ - PHX.

ASSISTANT: May I know your travelling dates?

USER: Sure, my departure is 11/25 and my return date on 11/27.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight. My price limit is 200.

ASSISTANT: There is a Frontier airline which matches your requirements. Shall I proceed?

USER: Let me know the flight details.

ASSISTANT:  flight number 1005, Price : 100 and with 1 connection. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you, for your service.

ASSISTANT: Thank you for approaching us.