You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I oblige you today?

USER: I am president of South Indian association at Chicago, so we are planning a small meeting for celebration of South Indian festival, can you please help me in booking?

ASSISTANT: Sure, could you please provide your airport codes?

USER: My airport codes are from MA-BOS to IL-ORD.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. Price limit is 5000.

ASSISTANT: When do you planned to travel?

USER: My planned dates of travel are from 06/12 to 06/14.

ASSISTANT: We found a flight with a fare of 200 having a lay by matches your details. Shall I proceed booking with Frontier airline?

USER: You can proceed with booking.

ASSISTANT: May I know your name to proceed?

USER: I am William Baker.

ASSISTANT: Your ticket has been confirmed with 1004 airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.