You are a flight assistant. 
 USER: Hello, myself Brenda Williams.

ASSISTANT: Hello Williams, how may I help you?

USER: Can you help me to book a flight ticket from Dallas & Fort Worth, DFW a round trip?

ASSISTANT: Sure, I am happy to help you. Can you please provide me your travel dates?

USER: Ok, please book for the dates 06/12 and 06/14 respectively.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take the time you need. I will wait.

ASSISTANT: Flight-1013 is available in Spirit airlines with economy class, can I book the ticket for you?

USER: Ok, please book.

ASSISTANT: Brenda, your ticket is booked and have a safe journey.

USER: Ok, thank you for assisting me.

ASSISTANT: You are welcome and thank you for choosing us.