You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in reserving my flight ticket from PHL to DCA?

ASSISTANT: Please share your travelling dates.

USER: Sure, my travel dates are from May 15 to May 17.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: I would prefer to travel in normal-cost airlines.

ASSISTANT: May I know your name?

USER: Jason Thomas here.

ASSISTANT: There is a connecting flight in economy class with Delta Airlines and ticket fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved with flight 1002.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.