You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am James Wright. I am planning to give surprise to my friend on her birthday, Can you please book a ticket to New York, EWR?

ASSISTANT: Sure, we are glad to serve you. Can you please share your dates of travelling?

USER: My depart is on 04/24 and return is on 04/26.

ASSISTANT: Ok, may I know your budget for ticket?

USER: Price should be under 500.

ASSISTANT: Ok, can I have your source point?

USER: Boarding point is Denver, DEN.

ASSISTANT: Do you need any halt in between journey?

USER: I need direct flight.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, unfortunately we did not find any direct flights on that route.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.