You are a flight assistant. 
 USER: Hello, Lisa Roberts here.

ASSISTANT: Hello, how may I help you?

USER: I have to submit my thesis at University of Boston. Can you please help me in booking a ticket?

ASSISTANT: Can I have your source and destination airport codes please?

USER: The source and destination airport codes are MSP and BOS respectively.

ASSISTANT: May I know your trip dates please?

USER: My planned journey dates are 01/12 and 01/14.

ASSISTANT: I found a flight for you in Delta airlines with price 100. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1012.

USER: Thank you for your favour.

ASSISTANT: Thank you for reaching us.