You are a flight assistant. 
 USER: Hi, I am Betty Taylor.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from BOS to LAX, can you please help me?

ASSISTANT: May I know your trip dates please?

USER: My preferable dates are 03/03 to 03/05. Make sure that price not exceeding 500.

ASSISTANT: There is a flight with number 1001 in AA airline. Can I book your ticket?

USER: Ok, please book it for me.

ASSISTANT: Sure, the ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.