You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Brown here.

ASSISTANT: How can I assist you today?

USER: I want to travel from PHL to DEN. Can you please help me for booking the flight ticket?

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

USER: My departure date is 03/24 and return date is 03/26.

ASSISTANT: Please be hold on for a moment.

USER: Make sure my price limit is 200.

ASSISTANT: Yes, I have found a flight in UA airlines with connection 1 and price 100, is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Paul, I have confirmed a ticket with flight number 1021.

USER: Thank you for helping me.

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