You are a flight assistant. 
 USER: hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Jeffrey Johnson. I want to travel from TX-IAH to FL-MCO for attending a seminar.

ASSISTANT: May I know the dates of journey?

USER: My departure date is 05/21 and return date is 05/23. Make sure my price limit is 200. My connections limit is 1.

ASSISTANT: Sorry, there is no flight with 0 connection.

USER: I need the connection 1. Thank you for the information.

ASSISTANT: Thank you.