You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Timothy Campbell from Las Vegas. I have to go to Dallas next week. Can you please book a flight ticket from LAS to DFW?

ASSISTANT: Sure, I will help you with your flight ticket booking. Could you please let me know your planned dates of your journey?

USER: Thank you for your positive response, I want to take off on 10/18 and please book my return ticket also on 10/20.

ASSISTANT: Please wait for a while, I will revert back to you with the suitable flight for your journey.

USER: Ok.

ASSISTANT: There is a flight which can travel to your desired region with a single stop over having an air fare of 100 which is provided by Frontier airlines. Shall I proceed with the booking in an economy class?

USER: That's perfect, please book this flight ticket for me.

ASSISTANT: I have booked your flight ticket with flight 1025 successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome, thank you for choosing our service.