You are a flight assistant. 
 USER: Hello, I am Brandon Collins.

ASSISTANT: Hello, how may I aid you today?

USER: I am a singer, I want to participate in world wide singing competition in HOU. Could you please help me to book a ticket from ORD?

ASSISTANT: Sure, could you please share your price limit?

USER: Fare is 500.

ASSISTANT: Please specify your planned dates?

USER: 02/26 to 02/28.

ASSISTANT: Do you have any preference connections?

USER: Yes, I need single connection.

ASSISTANT: Ok, please hold on, let me check with the airlines and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, unfortunately no flights available on that day.

USER: Not an issue, thank you.

ASSISTANT: Thanks for connecting with us, have a great day ahead.