You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in booking a flight ticket from SFO to DEN.

ASSISTANT: Sure, can I have your trip dates please?

USER: Sure, I prefer to travel in between Jan 19 and Jan 21.

ASSISTANT: Can I have your name please?

USER: Lisa Hall here.

ASSISTANT: Do you have any connection preference?

USER: Connected flight is required.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in economy class.

ASSISTANT: I found an economy class in JetBlue airlines with fare 200 and it has single connection. Can I book your ticket? Ok, your booking is confirmed with flight number 1013.

USER: Sure. Thanks for booking.

ASSISTANT: Thank you for choosing us.