You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I am planning to visit Los Angeles, can you please aid me to book a flight ticket from DFW?

ASSISTANT: Sure, I can do that for you. On what dates will you be travelling?

USER: My travelling dates are June 7 and June 9.

ASSISTANT: Would you like to travel in a normal cost airline or low cost airline?

USER: I am happy with any airlines.

ASSISTANT: How many connections are required within your route to Los Angeles?

USER: I am ok with any connection limit.

ASSISTANT: Do you have any class preference?

USER: No, I am not looking for any class preference too.

ASSISTANT: Ok, let me check the availability and revert you.

USER: Sure,I will wait for your response.

ASSISTANT: Thanks for waiting, we found a Southwest airline with flight number 1020 going on your way with 1 connection and the estimate is 100. Is that fine?

USER: Yes, I am fine with this flight. Please proceed with this.

ASSISTANT: On what name you want the flight ticket to be booked?

USER: Please book the ticket on the name Ronald Green.

ASSISTANT: Your booking has been confirmed. You can collect your ticket at the time of check-IN.

USER: Thank you for your assistance.

ASSISTANT: Thank you for consulting us. We hope to serve you again.