You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Emma Hernandez here, I want to visit Austin, can you please reserve my ticket from IAD on 01/21?

ASSISTANT: Sure, can you please help me with the destination airport code and the return date?

USER: Sure, my destination airport code is AUS and my return date is on 01/23.

ASSISTANT: Let me check for the availability of flight.

USER: Sure, but make sure that the price limit is 500.

ASSISTANT: Emma, there is a flight available with price 100 and the connection is 1 with Hawaiian airline. Would you like me to proceed with the booking?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Your booking is confirmed with 1015 flight number.

USER: Thank you for your help in booking me a ticket.

ASSISTANT: Thank you for reaching us.