You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a ticket from SFO to BOS to attend seminar, can you help me in booking?

ASSISTANT: Sure, May I know the journey dates?

USER: I am departing on Mar 21 and return on Mar 23.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with connection limit 1 with economy class.

ASSISTANT: Is there any other requirements?

USER: I want to depart in morning time.

ASSISTANT: May I know your name?

USER: My name is Jason Wright.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us.