You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you for the day?

USER: I am William Moore want to book a ticket to AUS from IAD, can you please help me in booking?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Can you please share your travelling dates?

USER: I would like to depart on Jul 13 and return on Jul 15.

ASSISTANT: Do you prefer halt in between your journey?

USER: I need a direct flight in between my journey.

ASSISTANT: Do you have any other specifications?

USER: Price should not exceed 1000.

ASSISTANT: Ok, please wait for a while, let me check the details.

USER: Ok.

ASSISTANT: We found Hawaiian airline with fare 200 and flight number is 1018 with direct flight.

USER: You can proceed.

ASSISTANT: Please wait. Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.