You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Hall.

ASSISTANT: How can I assist you today?

USER: I am looking for a flight from Washington, can you help me out in booking the flight ticket from IAD to BOS?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are from Feb 2nd till Feb 4th.

ASSISTANT: Please give me a moment.

USER: Sure, ensure that the connection limit should be 1.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Welcome, have a great day.