You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Donald Garcia, I want to reserve a flight ticket from Austin. Could you please help me with booking a flight ticket from AUS to IAH?

ASSISTANT: Sure, I will help you. Please provide me your travel dates.

USER: My preferable travelling dates are from 02/14 to 02/16.

ASSISTANT: Ok, let me check for the available flights.

USER: Sure.

ASSISTANT: Flight-1021 is available with Spirit airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: If it is a connecting flight, you can book it.

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

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are most welcome.