You are a flight assistant. 
 USER: Hello, I am Dennis Mitchell.

ASSISTANT: Hello, how can I support you today?

USER: I need to submit my record in an university at Houston, please book a flight ticket with a connection.

ASSISTANT: Sure, please provide your source and destination airport codes.

USER: My source code is DFW and destination code is IAH.

ASSISTANT: Ok, May I know your scheduled dates of your journey?

USER: My travelling dates are from 01/05 to 01/07.

ASSISTANT: Ok, Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Thank you for providing details, There is a flight found in 1002 Frontier airline with a fare of 100. Can I proceed for booking in economy class?

USER: That's perfect, please go with booking.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thank you.

ASSISTANT: Thank you for reaching our agency.