You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Robert Clark. Can you please check flights to Washington, IAD?

ASSISTANT: Sure, I will check. May I know your trip dates?

USER: I planned for a holiday trip with my friends on 06/24 and willing to return on 06/26.

ASSISTANT: Can you please provide me your origin airport code?

USER: It's from Charlotte, CLT.

ASSISTANT: We found a flight on your details with airline Hawaiian, flight number: 1020. Shall I book this ticket?

USER: You can proceed to book if it is a connecting flight.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.