You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Susan Harris, want to travel from BOS to IAD. Please help me in booking my ticket.

ASSISTANT: Please share your travel dates.

USER: Sure, my travelling dates are from 06/06 to 06/08. Please check the flight with 1 connection.

ASSISTANT: Sorry Harris, there is no flight available with 1 connection on your requested dates.

USER: It's ok, thank you for your help.

ASSISTANT: You are welcome.