You are a flight assistant. 
 USER: Hello. I am Katherine Hernandez.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to visit Seattle to meet my friend, can you please help me in booking a flight ticket from DCA to SEA?

ASSISTANT: Can you please let me know your preferable travel dates for booking flight ticket?

USER: My travelling dates are Nov 28 and Nov 30.

ASSISTANT: May I know your class preference please?

USER: I am fine with any class.

ASSISTANT: I found a flight with the connecting flight of fare 100 with JetBlue airline, are you ok with this booking?

USER: My departure time is afternoon.

ASSISTANT: There is a flight which is at afternoon of fare 300 with the connecting flight, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, the flight with the number 1026 has been reserved.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe flight.