You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am Thomas Hill.

ASSISTANT: Ok, how can I assist you today?

USER: I am planning to surprise my sister on her birthday by giving diamond ring, so please help me in booking a flight ticket to my home town Los Angeles.

ASSISTANT: Sure, may I know your budget for a flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Could you please provide me your planned journey dates?

USER: I would like to fly on 02/17 and return on 02/19.

ASSISTANT: Ok, please share your source and destination airport codes.

USER: My starting point from Houston, TX - HOU and destination code is CA - LAX.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please wait for a moment, I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are happy to say that, we found a Delta airline, flight number: 1017. Price is 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your E-ticket has been generated, It will be sent to your registered E-mail Id.

USER: Thank you for your good service.

ASSISTANT: Thank you, have a good day.