You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to search a flight with 1 connection limit?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your desired travel dates please?

USER: The travel dates are 05/01 to 05/03.

ASSISTANT: Please share your desired airport codes?

USER: The airport codes are from DC-DCA to TX-AUS.

ASSISTANT: May I know your name please?

USER: Sure, my name is Sandra White.

ASSISTANT: There is no flight available on your desired travel dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.