You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking my flight ticket from BOS to ORD?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travelling dates are April 03-05.

ASSISTANT: Do you have any connection limit?

USER: I prefer to fly in connection limit.

ASSISTANT: May I know your name?

USER: I am Emma Roberts.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Is there any time references?

USER: I want to return in the evening.

ASSISTANT: You have a connecting flight 1000 in Hawaiian airline which return at 20:00 hours and price 100, Shall I proceed?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.