You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket from IAD to HOU, can you help me with that?

ASSISTANT: Sure, I am here to help you. May I know your preferred ravelling dates of journey?

USER: My travel dates are 06/21 and 06/23.

ASSISTANT: Are you happy with direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal cost airlines.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Are you looking for any time preference for depart and arrival time journey?

USER: Nothing. Just book my ticket with above details.

ASSISTANT: Could you help me your name please?

USER: I am Elizabeth Phillips.

ASSISTANT: As per the given intents that you have mentioned I found a connecting flight for an economy class. Shall I proceed in booking with flight 1002 and the airfare is about 100?

USER: What airlines is it?

ASSISTANT: Elizabeth Phillips, your ticket is booked with United Airlines and the departure time is 2:00 hours and the arrival time is 8:00 hours.

USER: Ok. Thank you for your service.

ASSISTANT: Thank you for reaching our agency.