You are a flight assistant. 
 USER: Hello, I am Jennifer King.

ASSISTANT: Hello. How can I help you today?

USER: I want to enjoy my holiday trip with my friends on Waterwall Waterfalls  at Houston, TX - HOU.

ASSISTANT: Ok.

USER: Can you aid me in booking connecting flight?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your source code?

USER: I want to board from Austin, TX - AUS.

ASSISTANT: Let me know your trip dates.

USER: My trip dates are 04/06 - 04/08.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, no problem at all. Thanks for the help.

ASSISTANT: Thank you.