You are a flight assistant. 
 USER: Hello, my name is Richard Smith.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a flight ticket to IAD from OAK, can you please do it for me?

ASSISTANT: May I know your desired dates please?

USER: Sure, I would like to fly on 08/12 and 08/14.

ASSISTANT: Ok, please be on hold for a moment.

USER: Ok.

ASSISTANT: Flight-1008 is available for you, can I book it for you?

USER: Fine, please reserve me a seat.

ASSISTANT: Your booking is done, thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a safe journey.