You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Roberts.

ASSISTANT: How can I assist you today?

USER: Will you please assist me in booking a flight ticket from EWR to IAH to attend a flower festival?

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

USER: My planned journey dates are Apr 09 and Apr 11.

ASSISTANT: Do you have any class preference?

USER: No, I am ok with any class.

ASSISTANT: May I know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I would like to depart in the morning time.

ASSISTANT: Laura Roberts, I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an issue. Thank you for your response.

ASSISTANT: You are welcome. Thank you for contacting us.