You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Smith.

ASSISTANT: Smith, how can I assist you?

USER: I want to book a flight ticket from MA-BOS to CO-DEN. Can you help me?

ASSISTANT: Sure, I am happy to help you. Can you please provide me your travel dates?

USER: 08/25 and 08/27 are my travelling dates.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Flight-1003 is available with JetBlue airlines and the ticket fare is 400 only. Shall I book the ticket for you?

USER: You can reserve it.

ASSISTANT: Smith, your ticket is booked and have a safe journey.

USER: Thank you.

ASSISTANT: You are most welcome.