You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Jack Campbell. I have to attend my sister's son birthday party at Dallas. Could you please aid me in booking a flight ticket?

ASSISTANT: Sure, can you please provide your scheduled dates?

USER: My scheduled journey dates are from 10/16 to 10/18.

ASSISTANT: Ok, may I know your budget for ticket?

USER: I can afford only 500 for my ticket.

ASSISTANT: Can I have your airport locations?

USER: Seattle, SEA and Dallas & Fort Worth, DFW are my source and destinaion airport codes.

ASSISTANT: Ok, please hold a moment.

USER: Ok. I need a direct flight.

ASSISTANT: Thanks for your time, we have found a direct flight of  Spirit airline, flight number-1027 connections-1 and ticket fare is 100.

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.