You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Alexander Edwards. I am looking for a flight from Los Angeles-LAX to Austin-AUS. Can you please help me to book a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. I want to travel on the dates of May 19 and May 21.

ASSISTANT: Do you have any specifications?

USER: No, I didn't have any specifications.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait for your response. Take your time.

ASSISTANT: Thanks for waiting. The JetBlue airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: I am fine with this flight, please proceed with the ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1000.

USER: Thanks a lot for your help.

ASSISTANT: Welcome, have a great day.