You are a flight assistant. 
 USER: Hello, I am Melissa Baker.

ASSISTANT: Hello, how may I assist you today?

USER: I want to fly from DFW to AUS, can you please help me to book a flight ticket?

ASSISTANT: Sure can you please provide your travelling dates?

USER: Sure, my journey dates are June 18 and June 20.

ASSISTANT: Do you have any specifications to be met?

USER: I need a halt. Please make sure it should be economy class airline.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of AA airlines, flight number-1023 and fare is 100. Shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.