You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond Allen this side.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from IAD to AUS, can you please help me in booking?

ASSISTANT: Sure, can you please provide your trip dates?

USER: My travelling dates are from 11/25 till 11/27.

ASSISTANT: Please wait a moment.

USER: Ensure that my connection limit should be 1.

ASSISTANT: I found a flight for you in Delta airlines with price 100 and 1 connection limit. Shall I book your ticket?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1017.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.