You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me to book a flight ticket from DCA to IAH.

ASSISTANT: Please provide your journey dates.

USER: My travel dates are 09 to 11 of Apr.

ASSISTANT: Do you need any connection limit?

USER: I want a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Mary Jackson.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 300 and flight departs at 8:00 hours and arrives at 20:00 hours, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed in flight 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.