You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a ticket from DFW to LGA?

ASSISTANT: Sure, when do you want to travel?

USER: I want to travel on Apr 2.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, when do you want to return?

USER: I intend to return on Apr 4.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for your time, we found a connecting flight in 1010 Spirit Airlines with a fare of 100. Can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Ok, May I know your name?

USER: Dorothy Roberts here.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.