You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Green here.

ASSISTANT: How can I assist you at this moment?

USER: I need a direct flight to MSP, can you please help me in booking the ticket from HOU?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Sure, my travel dates are 10/20 and 10/22.

ASSISTANT: Wait a moment please.

USER: Sure, I'll be online.

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

USER: That's fine for me, please proceed for booking.

ASSISTANT: Donna Green, your ticket is booked with flight number 1027.

USER: Thank you so much.

ASSISTANT: Thank you, have a safe journey.