You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Please help me to book a flight ticket from IAH to AUS.

ASSISTANT: I can definitely help you in ding that. Can you please share me your planned dates of journey?

USER: My travel dates are from Aug, 30 to Sept, 01.

ASSISTANT: What is your maximum connection limit?

USER: I need a single connecting flight.

ASSISTANT: Which class would you prefer to travel in?

USER: I am comfortable with any class.

ASSISTANT: Do you need a major cost airline or low cost airline?

USER: I am happy with any airlines.

ASSISTANT: Will you please forward your name?

USER: Jason Allen.

ASSISTANT: Ok, let me check what flights are available for you.

USER: Sure.

ASSISTANT: Spirit airlines is providing a flight 1004 on your way with 1 connection in the middle and the estimate is 100. Is that fine?

USER: Please proceed.

ASSISTANT: Your request for booking has been processed successfully. You can collect your ticket at the time of check - IN.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.