You are a flight assistant. 
 USER: Hi, Carol Allen here.

ASSISTANT: Hello Allen, how can I help you today?

USER: I would like to spend my free time with my family members in TX-DFW, will you please help me to get flight ticket from DFW?

ASSISTANT: Sure, can I have your travelling dates please?

USER: Sure, my preferable journey dates are 09/15 to 09/17.

ASSISTANT: There is a flight available with us in Delta airline with flight number 1002. Do you want to proceed with the booking?

USER: Please you can book it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for the booking.

ASSISTANT: It's my pleasure.