You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are looking from our agency?

USER: I need a flight which return back to my location Las Vegas in the afternoon. Can you help me in booking me a connecting flight for my journey to DTW?

ASSISTANT: I will help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for considering my query. My preferable dates of travelling are Aug 18 and Aug 20.

ASSISTANT: From which airport would you like to start your journey?

USER: I would like to start my journey from LAS airport in the Las Vegas.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight for my journey.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: Sure, I will wait for your response. I do not have any other preferences right now for my journey.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in Southwest airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Yes, do proceed with the booking.

ASSISTANT: May I know your name to book this flight ticket?

USER: Sure, my name is Samuel Walker.

ASSISTANT: Sure Samuel Walker, I have successfully booked your ticket in flight number 1004.

USER: Thank you for booking my flight ticket with the flight 1004.

ASSISTANT: Thank you for approaching us, have a great journey.