You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian Williams here.

ASSISTANT: How may I help you?

USER: Can you book a ticket from BOS to LAX? Ok, here are my preferred travel dates 12/03 and 12/05.

ASSISTANT: There is a flight for you with 1 connection.Shall I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you.