You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy Brown.

ASSISTANT: How may I assist you today?

USER: Can you find a direct flight for me from IAH to BOS?

ASSISTANT: Sure, I am here to help you but I need your travel dates to search a flight.

USER: Sure, my journey dates are 12/06 and 12/08.

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

USER: It's ok, thanks for your information.

ASSISTANT: My pleasure.