You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Betty Allen here.

ASSISTANT: How may I assist you Allen?

USER: I want to travel on 10/09 and return on 10/11 for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your nearest airport codes for booking?

USER: My airport codes are IAD and IAD.

ASSISTANT: Ok, please hold on a moment to check the flights.

USER: Ok, make sure my connections limit is 1.

ASSISTANT: According to your information, I have found a flight with the fare of 100 from Southwest airlines. Is it ok for you?

USER: Please proceed for booking the ticket.

ASSISTANT: Ok, your ticket has been confirmed successfully with flight number 1018.

USER: Thank you for helping me.

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