You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a ticket from DCA to MSP to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Can you please share your planned travel dates?

USER: I am departing on Jan 20 and return on Jan 22.

ASSISTANT: Do you have any other requirements?

USER: I do not have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Jack Jones.

ASSISTANT: We found an UA airline, flight number: 1002, price: 100 with one connection.

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.