You are a flight assistant. 
 USER: Hello, I am Larry Hernandez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington, DCA. Can you please help me in booking within the fare of 200?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your journey dates?

USER: My journey start on 05/24. And I arrival on 05/26.

ASSISTANT: May I know the source point?

USER: My source point is Chicago, ORD.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a halt in between journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight of airline Frontier, flight number is 1017 and price is 100. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for visiting us, have a nice journey.