You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Robert Lee, I would like to book a ticket to Washington. Can you help me?

ASSISTANT: Sure, I will help you with that, please share your airport codes?

USER: I would like to travel from AUS to IAD on a 0 connection flight.

ASSISTANT: Ok, please share your travelling dates?

USER: The planned journey dates are 10/03 and 10/05.

ASSISTANT: Sorry, no flight as per your details.

USER: That's fine, thank you for the information.

ASSISTANT: It's my pleasure, have a nice day.