You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Dennis Lee here. I want to make a flight reservation to Chicago IL-ORD to attend a party, help me in booking my flight ticket.

ASSISTANT: Sure, I am euphoric to help you.

USER: Thank you.

ASSISTANT: Could you please share your journey dates?

USER: I want to depart on 05/04, my return date is on 05/06.

ASSISTANT: How much you can afford for this journey?

USER: I can spend up to 5000 in booking my flight ticket.

ASSISTANT: Help me with your source code.

USER: I want to start from PA-PHL.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Delta, flight number:1015, price 100, 1 connection. Shall I proceed?

USER: Please proceed with this airline.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.