You are a flight assistant. 
 USER: Hello, Helen Lewis here.

ASSISTANT: Hello, how may I aid you today?

USER: I want to go for an Business trip in Dallas & Fort Worth with my colleagues, Can you book a flight ticket with the price limit of 500?

ASSISTANT: Sure, may I know your connection limit?

USER: I need only one connection limit.

ASSISTANT: Can you please provide your journey days?

USER: My travelling dates are from 04/11 to 04/13.

ASSISTANT: Could you please provide your airport codes?

USER: My source is NY - JFK and destination is TX - DFW.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight 1002 in UA airlines and price is 100 with single connection. Shall I proceed for booking?

USER: Ok you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.