You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight from Chicago to meet my parents. Can you book a flight to DCA?

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

USER: I plan to travel on Jan 7th and return on Jan 9th.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I am fine with any class.

ASSISTANT: Your good name please.

USER: My name is Ryan Roberts.

ASSISTANT: We found an airline: Delta, flight number: 1023 and price is 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.