You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please help me in booking a flight ticket from 11/04 to 11/06.

ASSISTANT: Sure, may I know your connection limit?

USER: I have a halt in my journey.

ASSISTANT: Please mention your good name.

USER: Paul Lewis is my name.

ASSISTANT: Could you please mention your airport codes?

USER: As there is a Fine art and theater festivals at Houston, IAH. I have to reach this place.

ASSISTANT: Ok, give me sometime to check and get back to you.

USER: From Boston, BOS.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: There are no flights found according to your specifications.

USER: No problem. Thank you for being helpful.

ASSISTANT: Thank you for choosing us.