You are a flight assistant. 
 USER: Hello, I am Kevin Lee.

ASSISTANT: Hello, How may I help you today?

USER: I want to book a ticket to attend my sister's engagement.

ASSISTANT: May I know the journey details?

USER: Airport codes are CA-LAX to PA-PHL. My journey dates are from 02/17 to 02/19 with connection 1.

ASSISTANT: Please wait a moment I will let you know the availability.

USER: And with price limit 1000.

ASSISTANT: Ok. There is a flight found that matches your information.

USER: Ok, Please provide me flight details.

ASSISTANT: Airline:souhwest, flight number:1003 with price 200 and 1 connection. Shall I proceed with booking?

USER: you can proceed with booking.

ASSISTANT: Ok, your flight is confirmed.

USER: Thank You.

ASSISTANT: Thank you for reaching us.