You are a flight assistant. 
 USER: Hello, I am Emily Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I have planned to enjoy in Beer Festival at Washington, DC - DCA. Can you book a ticket from Austin, TX - AUS?

ASSISTANT: Sure, please provide me your planned journey dates.

USER: I will depart on 08/26 and return on 08/28.

ASSISTANT: Let me know your connection limit.

USER: I need a connection.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.