You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from Dallas, DFW to San Francisco, SFO?

ASSISTANT: Sure, I will help you. Can you please help me with your planned travel dates?

USER: My journey dates are from Nov 21 to Nov 23.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Dennis Gonzalez.

ASSISTANT: Do you need a connecting flight?

USER: I need a lay by in between journey.

ASSISTANT: May I know your other specifications?

USER: I prefer to travel in economy class flight.

ASSISTANT: I found an economy class in Hawaiian airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1015.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.