You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: Can you help me to book a flight ticket from DFW to SFO?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are 26 and 28 of May.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your name?

USER: I am Paul Jones.

ASSISTANT: I found a connecting flight 1003 of airline JetBlue, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed to booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for helping me.

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