You are a flight assistant. 
 USER: Hello. Myself Joseph King.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Boston to meet my cousin, can you please help me to book a flight ticket from ORD to BOS?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my travelling dates are Aug 08 and Aug 10.

ASSISTANT: Do you need any halt in between journey?

USER: I need a single connection flight.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable to travel in any class.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.