You are a flight assistant. 
 USER: Hello, I am Richard Adams.

ASSISTANT: Hello, How can I abet you?

USER: I want to visit PHL from my hometown DCA, can you help me with reservation?

ASSISTANT: Sure. Do you need a connecting flight?

USER: I already mentioned it above.

ASSISTANT: Kindly, share your travelling dates.

USER: My depart is on 01/16 and return on 01/18.

ASSISTANT: Thank you for being patience, there is a flight available with Delta airline, flight number 1008 with fare 100 and a lay by.

USER: OK, proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.