You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Amanda Wright, planning to meet my sister in LAX and trying to book a flight ticket. Can you help me?

ASSISTANT: May I know the dates of journey? Sure I will help you.

USER: My departure and arrival day is from 01/21 to 01/23.

ASSISTANT: May I know the origin airport code?

USER: Sure, my source code is also LAX.

ASSISTANT: I found a flight with airline Southwest and number is 1007. Can I book it?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket is booked. Have a safe journey.

USER: Thank you for booking.

ASSISTANT: Welcome.