You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Kenneth Taylor. As I planning to celebrate the music festival with my neighbours in Houston to enjoy by listening different types of music. Could you please help me for reservation?

ASSISTANT: Sure.Can you provide me your journey details?

USER: My journey begins from TX-IAH on 02/10. My heading point is TX-HOU and return to 02/12.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight. Price should be under 5000.

ASSISTANT: OK, give me a minute.

USER: Sure.

ASSISTANT: Sorry, I didn't found any flight matching your details. Thank you for contacting us.

USER: Thank you for your kind service.

ASSISTANT: Have a safe day.