You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Nelson here.

ASSISTANT: How can I help you at this moment?

USER: Can you please book a flight ticket from ATL to BOS?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, I have planned my travel dates as 01/17 and 01/19.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: JetBlue airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: That's fine, please proceed with booking.

ASSISTANT: Mark Nelson, your ticket is booked with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.

USER: Most welcome.