You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a flight from DCA to OAK, so please help me in booking.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My scheduled dates are on Jan 28th to 30th.

ASSISTANT: Is there any class limit for you?

USER: Yes, I need a connecting flight in economy class.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in afternoon time.

ASSISTANT: Your good name please.

USER: Sure, my name is Jessica Lopez.

ASSISTANT: We found an airline: American Airlines, flight number: 1001 and price is 100 with one connection.

USER: That's great, you can proceed.

ASSISTANT: Your flight ticket has been reserved in economy class. Your depart time is the 14:00PM.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.