You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a connected flight to Boston, MA - BOS to attend for Science festival. Can you please make a plane reservation?

ASSISTANT: Please provide your travel dates.

USER: My travelling dates are on 12/30 to 01/01.

ASSISTANT: Please provide your origin airport code.

USER: My origin is Houston, TX - IAH.

ASSISTANT: May I know your name?

USER: Sure, I am Jessica Green.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks.