You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you in booking. To check further may I know your name please?

USER: I am Jeffrey Roberts.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are MSP and SEA.

ASSISTANT: May I know your preferred dates of journey?

USER: My travelling dates are Dec 11 and Dec 13.

ASSISTANT: Do you have any connection limit preference?

USER: I need direct flight.

ASSISTANT: Do you have any other specifications?

USER: My departure time is afternoon.

ASSISTANT: Jeffrey Roberts, sorry as per your intents there are no flights available.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.