You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a ticket from DCA to LAX?

ASSISTANT: Sure, let me know your trip dates?

USER: My travelling dates will be on Aug 11 to Aug 13.

ASSISTANT: May I know your connection limit?

USER:  I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would prefer economy class.

ASSISTANT: We found a connecting flight 1011 in Hawaiian airline with fare 100 and class is economy. Shall I proceed?

USER: Yes, you can.

ASSISTANT: May I know your name?

USER: Katherine Anderson here.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.