You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Please help me to book a ticket with the name of George Rodriguez.

ASSISTANT: Sure, can you please assign your journey airport codes?

USER: To attend a birthday function, I want to go to DCA from AUS. With direct flight.

ASSISTANT: Ok, may I know your journey dates?

USER: I have to travel from  09/06 to 09/08.

ASSISTANT: Is there any price limit of your journey?

USER: Yes, price is 5000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any direct flights to your destination.

USER: No, problem. Thank you for your kind help.

ASSISTANT: Thank you for contacting us.