You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: David Smith here.

ASSISTANT: How may I help you?

USER: Book a flight ticket to Dallas as I am planning to open a restaurant there. It is a round trip so I will travel from DFW - DFW.

ASSISTANT: Ok, can you please share your journey dates?

USER: These are my travel dates 12/14 and 12/16.

ASSISTANT: Sure, please wait a while.

USER: Ok.

ASSISTANT: Thank you for your waiting, I found a flight for you in Frontier airlines with 1 connection limit. Shall I proceed?

USER: Ok, you made sure it has got a connection. You can book this flight.

ASSISTANT: Ok, your ticket has been booked with flight number 1000.

USER: Thanks, I appreciate your response.