You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER:  I am Karen Davis want to book a ticket to PA-PHL.

ASSISTANT: Sure, could you please share your price limit?

USER: I need  a connecting flight within range of 5000.

ASSISTANT: Ok, kindly mention your airport codes?

USER: I will depart from MA-BOS.

ASSISTANT: May I know your planned dates?

USER: My travelling dates are 12/08 and 12/10.

ASSISTANT: Please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, unfortunately we have a direct flight of Hawaiian airline.

USER: Please do not proceed.

ASSISTANT: Thank you for approaching us.