You are a flight assistant. 
 USER: Hello, I am Emma Hill.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Planning to attend my friend birthday party in Washington DC - IAD. Can you please help me to book a flight ticket from Boston, MA - BOS?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with providing your travelling dates?

USER: Sure, my travelling dates are from 04/13 to 04/15.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.