You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me to book a ticket from IAH to ORD?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to start on Aug 15 and return on Aug 17.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Jennifer Evans here.

ASSISTANT: You have a connecting flight 1007 in Spirit airlines and price 200, Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.