You are a flight assistant. 
 USER: Hi.

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

USER: I need to book a flight ticket from DFW to IAH to enjoy Innovation festivals.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my scheduled dates are Apr 21 and Apr 23.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connected flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I would prefer a economy class.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, Barbara Cater here.

ASSISTANT: There is a flight with ticket fare 100 in Hawaiian airlines with a stopover in economy class. Is it ok for you?

USER: Yes, it's perfect please proceed.

ASSISTANT: Your booking is confirmed with flight number 1010. Departure time is 15:00 PM and arrival time is 21:00 PM.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a nice day.