You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Collins.

ASSISTANT: How can I serve you?

USER: Can you please book a flight ticket from AUS to CLT?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Sure, I need to travel on dates of Dec 12 and Dec 14.

ASSISTANT: What is your estimate for buying your ticket?

USER: I can afford 200.

ASSISTANT: In which class do you want to travel?

USER: I am happy  to travel in any class.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure, take your time.

ASSISTANT: We found a Jetblue airline, flight number:1005 and the price is 100.

USER: That is fine, please proceed with booking.

ASSISTANT: Your fight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.