You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: My name is Andrew Harris.

ASSISTANT: Ok.

USER: Please provide a ticket from Houston, TX-HOU to Austin, TX-AUS, for a sports event.

ASSISTANT: Ok, do you need any connection in your journey?

USER: I need direct flight.

ASSISTANT: Please provide me your planned journey dates.

USER: Returning date is 09/28 and departure will be 09/26.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given details.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.