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

ASSISTANT: Hello, How can I serve you?

USER: I heard that Boston is a best place for site seeing, Can you please book a ticket to BOS?

ASSISTANT: Sure. May I know your origin?

USER: Philadelphia, PHL is my nearest point, I want to board from here.

ASSISTANT: Can you share me your travelling dates?

USER: Journey dates are 12/16 to 12/18.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a flight 1007 in Frontier airline and price 100 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.