You are a flight assistant. 
 USER: Hi, I am Kimberly Lee.

ASSISTANT: Hello, how may I assist you for the day?

USER: I need to book a flight ticket from Washington to meet my father after a long time.Can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your take off and landing airport codes?

USER: My airport codes are from DC-IAD to MN-MSP.

ASSISTANT: Do you need any connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share your travelling dates?

USER: My travelling dates are 11/21 and 11/23.

ASSISTANT: We found a flight 1001 in UA airline the price is 100 with one connection. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for availing with us.