You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Susan Campbell.

ASSISTANT: How may I assist you today?

USER: I am planning to attend business meeting at Washington, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates of travelling?

USER: Sure, I would like to take off on 05/15 and return back on 05/17.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My source airport code is LAX and the destination airport code is DCA.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Based on your information, I have found flight with 1 connection with the fare of 100. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1022 and airline is UA.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.