You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: My name is David Walker, I want to book a flight from DFW to DEN, can you help me?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: I will fly on Oct 14 and return on Oct 16.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I need my return flight in evening.

ASSISTANT: Do you have any other requirements for your journey?

USER: I want a connecting flight.

ASSISTANT: As per your requirements, I have found a connecting flight to your region on your planned dates of journey which departures in the evening having a ticket fare of 100 by JetBlue airlines. Shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: I have booked your flight ticket with the flight 1026 in an economy class.

USER: Thank you for helping me.

ASSISTANT: You are welcome, thank you for opting us.