You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dorothy Smith on this side.

ASSISTANT: Smith, how may I guide you?

USER: I have an important meeting in IAD which is conducting by our CEO to discuss about the performance for the individuals and distributing the awards for the top performers and they are offering a ticket budget of 1000, can you please help me in flight ticket booking from ORD ?

ASSISTANT: Sure, I am here to help you. Can you please share me your travel dates?

USER: Thank you. I am planning to leave on 05/08 and please book my return ticket also on 05/10.

ASSISTANT: Ok, please wait for a while.

USER: It's alright, take your time but please try to bring a best flight in my route.

ASSISTANT: There is a flight with Spirit airlines and the ticket fare is 100 only. Shall I proceed?

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

ASSISTANT: Smith, your ticket is booked with the flight-1029.

USER: Thank you for your great help in booking of my ticket.

ASSISTANT: You are most welcome, thank you very much for contacting us.