You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: My name is Richard Evans. I want to book a flight ticket from MSP to DEN, can you please help me?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: I will depart on Dec 4th and return back on Dec 6th.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: Delta airlines running a flight in your route with connection 1 and the ticket fare is 100. Are you ok with this flight?

USER: Please proceed with the booking.

ASSISTANT: Ok Richard Evans, your ticket booking has done and the flight number is 1003.

USER: Thank you for your fast service.

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