You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I have to attend a Music Concert at Las Vegas, could you please help me with booking a flight ticket from DFW to LAS?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would like to depart on June 22nd and return on June 24th.

ASSISTANT: Do you have any preferences?

USER: I am looking for a connecting flight.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I proceed?

USER: Please confirm the booking.

ASSISTANT: May I know your name?

USER: I am George Taylor.

ASSISTANT: Your booking is done with flight number 1020. Happy journey.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome, have a nice day.