You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please help me to search a flight from CO-DEN to PA-PHL?

ASSISTANT: Sure, I am here to do that. Please share me your travelling dates?

USER: Thank you, the travelling dates are 08/12 to 08/14.

ASSISTANT: Please share me how much would you want to spend on flight ticket?

USER: My budget is only 1000.

ASSISTANT: Do you want any lay by in between your travel?

USER: Yes, I want the flight with 1 connection.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Catherine Hernandez.

ASSISTANT: There is a connecting flight with price of 100 and flight number is 1015. Shall I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.