You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: My name is Michael Smith, and I need to travel to Houston HOU to enjoy film festivals.

ASSISTANT: OK.

USER: Can you make a reservation from DCA?

ASSISTANT: Sure. Help me with your travel dates?

USER: Sure, I need to fly on 09/29 and 10/01.

ASSISTANT: We found a direct flight for you. Are you ok with this?

USER: I need a halt. Do not proceed. Thank you for your support.

ASSISTANT: Thanks for reaching us, have a nice day.