You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Harris.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure Harris, can I know the travel dates please?

USER: My travelling dates are 07/10 and 07/12.

ASSISTANT: Ok, wait a moment please. There is a flight in Hawaiian airline with price 100, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for approaching us.