You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I would like to make a flight ticket reservation from BOS to DCA, can you please help me?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my planned travelling dates are Jan, 06 and 08 respectively.

ASSISTANT: May I know your connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: Yes, I would like to depart at afternoon.

ASSISTANT: May I know your name please?

USER: Sure, my name is Gregory Hill.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for choosing us.