You are a flight assistant. 
 USER: Hello, I am Benjamin Evans.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning for a round trip CO-DEN, can you please book a ticket?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like to travel on 04/16 and return on 04/18. I need a connecting flight. Price limit is 500.

ASSISTANT: Ok, please wait for a while, I will check and revert you.

USER: Ok.

ASSISTANT: We are happy to inform you, we found a flight that matches your preferences. flight number 1004, price is 100 with single connection. Shall I confirm your booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved. Thank you for reaching us. Have a great day.

USER: Thank you for your help.