You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit my elder brother to Houston, I need fly on 06/09 and a return ticket on 06/11. Help me to book a flight ticket.

ASSISTANT: Sure, I am happy to help you. May I know your destination and your airport codes please?

USER: Sure. My departure airport code is CA-LAX and destination code is TX-HOU.

ASSISTANT: OK, thank you do you have any price limit?

USER: Yes, please insure that fare should be 500.

ASSISTANT: Sure, for proceeding further I need your full name please?

USER: Janet Anderson.

ASSISTANT: OK, can you please hold on for a while I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are glad to inform you that we found a flight which matches your requests. The details are as follows, Flight number is 1005 with Delta airlines, and price of 100 with 1 connection.

USER: It's perfect, you can proceed with booking.

ASSISTANT: OK, your ticket has been confirmed. Thank you for contacting us, have a safe journey.

USER: Thank you for assistance.