You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Hill here.

ASSISTANT: How can I help you?

USER: Can you please help me in booking a connecting from BOS to IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my preferable travel dates are from 03/29 to 03/31.

ASSISTANT: I found a direct flight with price 100, shall I proceed?

USER: Can you please check for direct flight?

ASSISTANT: Sorry, I could not find any flight with your travelling dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: My pleasure.