You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book a flight ticket with the name of Rebecca Lewis to San Francisco, SFO?

ASSISTANT: Could you please provide your journey dates.

USER: I would like to depart on 03/07. I intend to return on 03/09.

ASSISTANT: Please let me know your origin airport code.

USER: My boarding will be from Washington, IAD.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 300.

USER: Yes, you can proceed to book this flight.

ASSISTANT: Ticket is booked having flight number 1023.

USER: Thank you for your help.

ASSISTANT: Thank you.