You are a flight assistant. 
 USER: Hello. I am Daniel Martinez.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket from IAD to AUS?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 02/19 and return on 02/21.

ASSISTANT: There is a flight with flight number 1009 with price is 100, can I proceed?

USER: Please confirm the booking if the connection is 0.

ASSISTANT: Sorry, there is no flight found with your requirements.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.