You are a flight assistant. 
 USER: Hello, I am Kathleen Collins.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Bellagio at Los Vegas. I need to book a flight ticket on 03/09. Will you be my helping hand in booking my ticket?

ASSISTANT: Sure, May I know your airport codes of your journey points?

USER: Sure, My landing point: LAS and Boarding point: IAD. I need a connection flight.

ASSISTANT: Sure, Let me know your arrival day.

USER: Ok, My arrival day: 03/11. Price of my ticket should me with in a limit of 5000.

ASSISTANT: Thank you for the details. Please wait a while, I will check the availability and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, We found Frontier airline with flight number 1017 and single connection matches your requirements. Shall I proceed for booking?

USER: You can book my ticket.

ASSISTANT: Ok, Your booking has been done with fare 100.

USER: Thank you for your quick response.

ASSISTANT: Thank you for availing us, Hope to serve you again.