You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Steven Evans here, and I want to book a ticket for my vacation days.

ASSISTANT: That's good.Provide me your source and destination of your vacation?

USER: Sure, my travelling is from Washington, DC-IAD to Chicago, IL-ORD.

ASSISTANT: Could you provide me your vacation dates?

USER: OK, my dates of travel is from 08/07 to 08/09. Do you have any ticket for me?

ASSISTANT: Give me a second mean while I will check for the flight availability.

USER: OK.

ASSISTANT: Yes, there is a good news for you I found a flight for your vacation. Flight 1013 which costs 100 in Spirit airlines. Can I proceed with the booking?

USER: Please make sure that the ticket should be within the connections limit 1 of cost 5000.

ASSISTANT: Yes, Steven the flight which I have mentioned you meets all the criteria which you want. Can I proceed for further booking?

USER: That's great! please proceed to book.

ASSISTANT: Your ticket booking is confirmed.

USER: Thank you, for your details in booking ticket.

ASSISTANT: Thank you for choosing our service.Have a safe journey. It's my pleasure.