You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to visit my relatives house, please reserve me a flight ticket.

ASSISTANT: Sure, may I know your travel codes along with your preferable dates?

USER: The source is DC-DCA on 07/03 and the destination details are DC-DCA, return on 07/05.

ASSISTANT: Ok, can you please tell me your name?

USER: My name is Mark Jones. Can you please check for the lights with price 500 and connection limit 1?

ASSISTANT: Ok, Mark Jones I got a flight for you according your details with flight number 1002.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked with the airline Southwest.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you for approaching us.