You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Kimberly White. Can you please help me in booking a flight ticket from DCA to BOS locations?

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 12/03 and 12/05. Make sure that I want a flight with 1 connection.

ASSISTANT: There is no flights available.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.