You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please help me with booking a flight ticket from SEA to IAD?

ASSISTANT: Sure, do you prefer a connecting or direct flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Could I have your journey dates, please?

USER: My travelling dates are from June 08-10.

ASSISTANT: May I know your good name?

USER: john Gonzalez here.

ASSISTANT: Do you have any more specifications?

USER: I prefer to fly major airlines.

ASSISTANT: We found a connecting flight 1009 from American airlines has fare 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.