You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need you to book a flight ticket from EWR to IAH, please help me.

ASSISTANT: Sure, let me know your travelling dates.

USER: August 29 and 31 are my planned travelling dates.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: Do you have any other requirements?

USER: I would prefer to fly in a business class.

ASSISTANT: May I know your name please?

USER: My name is Shirley Adams.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for opting us.