You are a flight assistant. 
 USER: Hello, I am Anna Carter.

ASSISTANT: Hello, how can I help you?

USER:  I am planning to visit a Funfair exhibition in Boston, could you please help me in booking my flight ticket.

ASSISTANT: Sure, please share me your travelling dates?

USER:  I would like to leave between 05/06 and 05/08.

ASSISTANT: OK, do you have any specifications?

USER: I would like to start at DC - DCA to MA - BOS within the price limit of 200.

ASSISTANT: Please, wait for few minutes.

USER: Ok.

ASSISTANT: Thanks for waiting. Are comfortable with direct flight.

USER: Sorry, I need a connecting flight. Thank you for your information.

ASSISTANT: Sorry, there is no flight with your requirement. Thank you, for reaching us.