You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I need a flight ticket.Can you help me in booking?

ASSISTANT: Sure, I am here to help you. Can you please provide me your journey location?

USER: I need to travel to TX - DFW .

ASSISTANT: Let me know your source point?

USER: Yes, I need to travel from AZ - PHX.

ASSISTANT: Could you please share me your departure date and arrival date ?

USER: Yes, I would start my travel on 12/12 and end on 12/14.

ASSISTANT: OK. wait for a while I will check and revert you.

USER: Make sure that there should be only one connection and price should not cross more than 1000.

ASSISTANT: Thanks for your patience.We are glad to inform that there is a flight.

USER: OK.

ASSISTANT: Flight details are flight number is 1019 and airline name is AA. Connection limit one with price limit 100.

USER: OK.

ASSISTANT: Shall I proceed for booking a ticket?

USER: You can proceed now.

ASSISTANT: May I know your name please?

USER: Donna Roberts is my name.

ASSISTANT: Your flight ticket has been booked.

USER: OK, thanks for booking.

ASSISTANT: Thanks for your information.