You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Christopher Martin want to attend a seminar at Boston, can you book a ticket on 08/11 and 08/13?

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

USER: Sure, I want to fly from DFW and land on BOS.

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

USER: Ok.

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

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked successfully.

USER: Thank you.

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