You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: This is Rebecca Allen. I want to book a flight ticket from MA - BOS to CA - LAX to attend meeting. Can you help me in that?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: Thank you. My trip dates are 06/27 - 06/29.

ASSISTANT: Do you have any preferences?

USER: I need a flight with single connection.

ASSISTANT: You have a flight 1025 in UA airline and price 100 with a connection, Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.