You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help in booking my flight ticket from IAD to SFO?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: My travelling dates are Feb 23 and Feb 25.

ASSISTANT: May I know your name please?

USER: Myself Nicole Green.

ASSISTANT: Do you have any requirements?

USER: I require single connecting flight and depart at afternoon.

ASSISTANT: Ok, please wait a minute.

USER: Take your time.

ASSISTANT: There is a flight 1018 of American Airlines in economy class, can I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with a connecting flight.

USER: Thank you.

ASSISTANT: You are welcome.