You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Check the availability of flights from Washington DC - IAD to Austin, TX - AUS?

ASSISTANT: Sure, we are  here to help you. May I know your journey dates?

USER: Thank you, my journey dates are 04/30 and 05/02.

ASSISTANT: May I know your good name for further process?

USER: Sure, William Garcia is my name.

ASSISTANT: Do you have any specifications?

USER: Yes, I need one halt in between.

ASSISTANT: You have a flight with airline Delta and flight number is 1019 with 1 connection and price is 100.

USER: Perfect, please proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for the kind help.

ASSISTANT: Thank you for reaching us, have a nice day.