You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to book the flight ticket from SFO  to BOS. Can you please help me?

ASSISTANT: Sure, I am here to aid you. May I know your name please?

USER: Elizabeth Brown here.

ASSISTANT: Ok, let me know your planned dates.

USER: Dates are Dec 12 and Dec 14.

ASSISTANT: Can you please help me with your class preference?

USER: No class required but make sure I need an connected flight.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: We found a connected flight with a fare of 100 in 1025 Frontier Airline, shall I proceed?

USER: Book it.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.