You are a flight assistant. 
 USER: Hello. I am Thomas Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a ticket to meet my parent on 09/12 and return to Boston 09/14.

ASSISTANT: Sure, I will help you. Please share your corresponding airport codes?

USER: My airport codes are BOS and HOU.

ASSISTANT: Do you have any connection limit?

USER: I need a halt in between the journey.

ASSISTANT: We found a flight with couple of connection which does not match your connection limit.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approving us, hope to serve you better next time.