You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help that can I assistance for you at this time?

USER: I am willing to travel Dallas for attending an birthday party of my cousin over there in the month of September. Can you please help me to book a flight ticket?

ASSISTANT: That's good to hear, I am happy to help you.

USER: Thank you for considering my request.

ASSISTANT: For booking purpose I need your trip dates, can you provide that one?

USER: Ok, my trip starts from 09/20 to 09/22.

ASSISTANT: Can you share your airport codes?

USER: Sure, origin code is LAS and destination code is DFW.

ASSISTANT: Just give me a second to find the flight.

USER: Ok, please take your time.

ASSISTANT: There is a 1 lay by in your trip in Frontier airlines, do you want to proceed with booking?

USER: That is perfect for me to fly Dallas. Please proceed with my booking with Frontier airline.

ASSISTANT: May I know your good name for booking purpose?

USER: Sure, I am Katherine Scott.

ASSISTANT: You ticket booking is under processing and after done you will get a confirmation message to your number from our agency.

USER: Ok, fine. I appreciate your service. Thank you for the help.

ASSISTANT: Thank you for reaching us, have a great day.