You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Brian Smith, want to travel from DEN to MSP. Please help me in booking my flight ticket.

ASSISTANT: Sure, may I know travelling dates?

USER: Sure, my travelling dates are from 01/23 to 01/25.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by JetBlue airlines. Would you like to book this flight for your journey?

USER: Please book this ticket for me.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1027.

USER: Thank you for your help.

ASSISTANT: Your are welcome.