You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Barbara Williams here.

ASSISTANT: How may I assist you Barbara?

USER: I want to visit my grandparents in EWR, so can you please book a flight ticket from BOS?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferable dates of travelling?

USER: My preferable dates are from 05/02 to 05/04.

ASSISTANT: Ok, may I know your nearest airport codes that you want to travel?

USER: Sure, I want to travel from BOS to EWR.

ASSISTANT: Please hold on a moment to check the availability of flights.

USER: Sure, take your time.

ASSISTANT: Based on your information, flight number 1022 from AA airlines with 1 connection with the fare of 100 is available for you, Shall I proceed with this?

USER: Sure, you can proceed.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for your help.

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