You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Kenneth Wilson.

ASSISTANT: How can I serve you?

USER: I want to enjoy with my friends at High Roller, Las Vegas. Can you help me in my booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please provide your location codes?

USER: My source is Washington, DC - DCA. My destination is Las Vegas, NV - LAS.

ASSISTANT: Ok, on which dates you have planned to travel?

USER: I will start my journey on 11/19.

ASSISTANT: Ok.

USER: I will return back on 11/21.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight from Frontier airline of price 100 and 1018 flight number.

USER: Proceed with my booking.

ASSISTANT: Shall I confirm? Ok. Your flight ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thanks for availing us.