You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Joshua Campbell here. Can you please help me in booking a flight ticket from DFW to LAS?

ASSISTANT: Sure, may I know your dates of travel?

USER: Sure, my travel dates are from Dec 26 to Dec 28.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I would like to return in afternoon.

ASSISTANT: Can you please let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Frontier with flight 1025 having a stopover with arrival time 13:00 PM. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.