You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I need you to book a flight ticket from DFW to LAS. Please help me.

ASSISTANT: Sure, we are here to help you. Can you please let me know your travelling dates?

USER: June 3 and 5 are my planned travelling dates.

ASSISTANT: Do you have any lay by in between journey?

USER: Yes, I do need it.

ASSISTANT: Is there any other specifications for you?

USER: I wish to depart in the evening.

ASSISTANT: Can I have your good name?

USER: My name is Amy Martin.

ASSISTANT: Southwest Airlines is providing a connecting flight with the ticket fare of 100 and depart time is 20:00 hours, arrival time is 23:00 hours. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you.

ASSISTANT: Thank you for opting us.