You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking my flight ticket from SEA to DCA?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are July 20 and 22.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Is there any class preference?

USER: No, other preference.

ASSISTANT: Please forward your name.

USER: Myself Sandra Garcia.

ASSISTANT: We found a connecting flight of fare 200 with airline Frontier and number 1002. Can I book?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.