You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am Virginia Parker, I am from Houston, I need a flight to attend a stock car racing with my friend.

ASSISTANT: Ok, May I know your complete details of journey?

USER: I will fly to Washington DC-DCA. My Origin airport is TX-IAH. My journey date are, returning on day 10/13. Depart date is 10/11.

ASSISTANT: Thank you for the details. Please wait a moment, I will check the availability and get you back.

USER: Ok.

ASSISTANT: Thank you for waiting, We found no flights available based on your information.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for choosing us, Have a nice day.