You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jerry Evans.

ASSISTANT: How may I help you?

USER: I want to do research on a project at NASA space center at Houston, for documentation purpose I need to go there. So, please help me with booking a connecting flight ticket.

ASSISTANT: Sure, I will aid you.

USER: Thank you.

ASSISTANT: When are you planning to make your journey?

USER: I need to go on 08/11 and I will catch my return flight on 08/13.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Sure, I will depart from AUS to HOU airport.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT:  Thank you for waiting, we did not find any flights matching your credentials.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us. Have a great day.