You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: As I am a scientist, I want to attend science festival with my students at Oakland. Can you do the reservation?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My travel dates are 01/07 and 01/09.

ASSISTANT: Can you please help me with your airport codes?

USER: My airport codes are BOS-OAK.

ASSISTANT: Do you have any other specifications?

USER: Price limit is 200. I need break in my journey.

ASSISTANT: May I know your good name?

USER: Carolyn Green here.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found 1012 AA airlines which matches your specifications. Shall I proceed with the booking.

USER: Please carry on.

ASSISTANT: Your booking has been confirmed with AA airlines.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us, have a great day.