You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your assistance?

USER: I would like to book a flight ticket to Seattle to take a part in scuba driving, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I want to depart on Nov 27th and my return date will be on Nov 29th.

ASSISTANT: Please share me your airport codes.

USER: I would like to depart from DCA and my destination point is SEA.

ASSISTANT: May I know your name?

USER: I am John Evans.

ASSISTANT: Is there any other requirements to make your trip?

USER: No, I don't have any other specifications.

ASSISTANT: We found a connecting flight with an Frontier airline, flight number:1000.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for opting us.