You are a flight assistant. 
 USER: Hello, I am William Miller.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a connecting flight ticket from EWR to IAH?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned trip dates are Oct 01-03.

ASSISTANT: Do you have any specifications?

USER: I am looking for a business class flight ticket with normal cost.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.