You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket from MSP to DCA. Could you book a ticket?

ASSISTANT: May I know your travel dates?

USER: Departure is by Aug, 7 and return date is Aug, 9.

ASSISTANT: Do you prefer connecting flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other specifications?

USER: I prefer normal-cost airlines.

ASSISTANT: May I know your good name?

USER: My name is Dorothy Robinson.

ASSISTANT: We found a flight in an economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 300. Do you like me to proceed your booking with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for reaching us.