You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from PHL to BOS. Can you find a flight ticket for me?

ASSISTANT: May I know your trip dates?

USER: Ok, my planned trip dates are on May 17 and return May 19.

ASSISTANT: Do you prefer any connections?

USER: Ok, I need a single connecting flight.

ASSISTANT: May I know your specifications?

USER: No.

ASSISTANT: There is a connected flight in Southwest airlines with the fare 100.

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Please share your name?

USER: Yes, I am Nancy Rodriguez.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you.