You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I want to book a ticket from DEN to HOU. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Travelling dates are from Jan, 8 to Jan, 10.

ASSISTANT: Can I know your name please?

USER: I am Angela Johnson.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: May I know airline?

ASSISTANT: Airline name is southwest.

USER: Thanks.