You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: Can you help me in reserving a ticket from BOS to SEA?

ASSISTANT: Sure, May I know the travelling dates?

USER: My trip dates are July 20 to 22.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Shirley Jones here.

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

USER: Thank you for choosing us.

ASSISTANT: Thank you for availing us.

USER: Your are welcome.