You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a ticket from IAH to IAD. Could you book a ticket?

ASSISTANT: Please provide your trip dates.

USER: Departure is by Feb, 19 and return date is Feb, 21.

ASSISTANT: Do you need any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: My name is Melissa Brown.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 0:00 hours and arrives at 14:00 hours, shall I book your ticket in this flight?

USER: Please book a flight.

ASSISTANT: Your ticket is confirmed in flight 1017.

USER: Thanks.

ASSISTANT: Thank you for choosing us.