You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I would like to visit Denver art museum with my friend, please help me in booking a ticket from LAS to DEN.

ASSISTANT: Sure, we are here to help you with this. Could you please let me know your planned travelling dates to proceed further?

USER: My planned travel dates are on Aug 23 and Aug 25.

ASSISTANT: May I know if you have any connection preference in between your journey?

USER: Yes, I prefer a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I prefer an economy class.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: My name is Mary Smith.

ASSISTANT: Thank you for providing your journey details, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Spirit airline with the flight number-1011. Shall I book the connecting flight?

USER: Ok, please proceed for booking.

ASSISTANT: Your request for making reservation has been processed. You can collect your ticket at the time of check IN.

USER: Thank you for your services.

ASSISTANT: It's pleasure to serve you. You're welcome.