You are a flight assistant. 
 USER: Hi.

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

USER: Karen Harris here. I would like to book a ticket from MSP to DEN, can you please help me with that?

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

USER: The travel dates are from 10/19 to 10/21.

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

USER: Ok.

ASSISTANT: UA airlines is running a flight in your route with connection 1 and the  ticket fare is 100. Is it ok for you?

USER: Please proceed with that.

ASSISTANT: Ok Karen Harris, your ticket booking has done and the flight number is 1024.

USER: Thank you.

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