You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I need to book a flight ticket to Washington to meet my brother after a long time and to enjoy my holidays. Would you help me in this with the name of Brando Miller?

ASSISTANT: Sure, I will help you with booking. Please share on what dates would you like to travel to Washington?

USER: I would like to start my journey  on 08/17. And I will return on 08/19.

ASSISTANT: Do you have any restriction on price limit?

USER: Yes, I have 500 as my price limit.

ASSISTANT: Please provide me the source and destination airport codes?

USER: My source point is at OAK and destination is IAD.

ASSISTANT: Do you want any stopover in between your journey?

USER: I have 1 halt in my journey.

ASSISTANT: Thanks for your details,I have found a flight for you, airline is Spirit, flight number is 1013 with one halt.

USER: Ok.

ASSISTANT: You have to spend 100 on flight ticket, shall I proceed with booking?

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your quick response.

ASSISTANT: Thank you for picking us, have a nice day.