You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: William Brown here.

ASSISTANT: How may I help you today?

USER: I would like to visit Austin for a business trip, can you please reserve a flight ticket from AUS?

ASSISTANT: Please mention your travelling dates?

USER: Sure, I am planning to leave on Apr 08 and please book my return ticket also on Apr 10.

ASSISTANT: So you need any connecting flights?

USER: I can manage with any connection to my journey.

ASSISTANT: Could you please mention budget for this trip?

USER: Sure, I can afford up to 500.

ASSISTANT: Please hold a moment, let me check with the availability of best flights on you route.

USER: Sure, take your time.

ASSISTANT: There is a flight with single connection and the price is 100 in Hawaiian airlines, can I proceed with the reservation?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been reserved with the flight number 1009.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Thank you for choosing our service, have a safe flight.

USER: Welcome.