You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from OAK to DCA. Could you book a ticket?

ASSISTANT: May I know your travel dates?

USER: Travel dates are Nov, 11 and Nov, 13.

ASSISTANT: Do you prefer connecting flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the morning.

ASSISTANT: May I know your good name?

USER: My name is Daniel Rodriguez.

ASSISTANT: We found a flight in an economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done with flight number 1025.

USER: Thanks.

ASSISTANT: Thank you for opting us.