You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Can you aid me in booking a flight ticket from BOS to IAD?

ASSISTANT: Sure, may I know the travelling dates?

USER: My travelling dates are 03 to 05 of Sep.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Janet Jackson.

ASSISTANT: Please wait a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for opting us.