You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Boston with my cousin, I want to book a ticket. Please help me out.

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

USER: My source and destination airport codes are LAS and BOS.

ASSISTANT: Ok, may I know your preferable dates that you want to travel?

USER: My preferable dates of journey are from 08/26 to 08/28.

ASSISTANT: May I know your name to book your flight ticket?

USER: Myself Donald Garcia.

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

USER: Sure.

ASSISTANT: Based on your information, flight number 1010 from Hawaiian airlines with 1 connection with the fare of 100 is available for you. Shall I book this flight for you?

USER: Ok, I am happy to proceed my booking.

ASSISTANT: Ok, your reservation is done successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for using our services, have a great journey.