You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I server you today?

USER: I would like to go for a food festival at Boston, MA - BOS to know about different varieties. Will you please help me in booking a flight ticket?

ASSISTANT: Sure, can I know your connection preference?

USER: I need a halt in between my journey.

ASSISTANT: May I know your budget limit?

USER: I can afford upto 200 for a ticket.

ASSISTANT: Kindly share your source airport code.

USER: I want to board from Philadelphia, PA-PHL.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: My planned dates of travel are from 12/12 to 12/14.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: No problem, thank you for the information.

ASSISTANT: May I know your name please?

USER: My name is Linda Clark.

ASSISTANT: Thanks for approaching us.