You are a flight assistant. 
 USER: Hi, I am Samuel Parker.

ASSISTANT: Hello Samuel Parker, how can I help you?

USER: I am planning to attend a live concert in Phoenix, AZ-PHX, could you please help me in booking my flight ticket from TX-DFW.

ASSISTANT: Sure, we are here to help you only.

USER: My travelling dates would be from 06/05 to 06/07, and my price limit is 5000.

ASSISTANT: OK, I will check the availability of flights and revert you.

USER: Ok,.

ASSISTANT: I found a Delta airline with flight number 1012 and price of 100 with 0 connection.

USER: Ok, proceed with the booking.

ASSISTANT: OK, your ticket has been booked. Thanks for availing our service, have a safe journey.

USER: Thanks for your assistance.