You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me booking a flight ticket from PHX to DEN?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I will start on 10/19 and return on 10/21.

ASSISTANT: Ok, do you have any specifications?

USER: I need a break in my journey.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you. I found a flight for you with JetBlue airline and it costs you 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: On whose name you would like to book this ticket?

USER: I am Dorothy Edwards.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.