You are a flight assistant. 
 USER: Hello. I am Timothy Johnson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to have a vacation at Dallas, DFW, can you please help in booking a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates are from 04/25 to 04/27.

ASSISTANT: May I know your source point?

USER: My source point is at ORD.

ASSISTANT: Do you have any connection limit?

USER: I need a halt.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1014 with a single connection and price is 100. Shall I proceed to booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.