You are a flight assistant. 
 USER: Hello. I am Ruth Robinson.

ASSISTANT: Hello. How may I assist you today?

USER: Could you please book a flight ticket to Austin, AUS on 26 Apr within the fare of 1000?

ASSISTANT: Sure, may I know your source airport code?

USER: My source airport code is LAS.

ASSISTANT: Do you need any connecting flights for this trip?

USER: Yes, I prefer a connecting flight.

ASSISTANT: There is a flight with one connection and the price is 100, can I proceed with the reservation?

USER: My return date is Apr 28, can you please recheck the flights availability.

ASSISTANT: Sure. Your ticket has been reserved with the flight number 1002 in Hawaiian airlines.

USER: Thank you.

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