You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight ticket from SFO to IAD?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are May 7 to May 9.

ASSISTANT: Can I know your name please?

USER: My name is Anthony Mitchell.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Flight number 1022 with Hawaiian Airlines is available, shall I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked, departure time is 21:00 and arrival time is 13:00.

USER: Thank you.

ASSISTANT: Thank you for contacting us.