You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Jacob Robinson, and I would like to book my reservation.

ASSISTANT: Thank you for providing your name, Can you please send me the travelling details?

USER: Sure, my departure is from Houston, TX-HOU to destination Washington, DC-IAD. My travelling dates would be from Jun 17 to Jun 19, and my price limit is 1000.

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

USER: OK, not a problem.

ASSISTANT: Thank you for being patient, I am sorry to inform you that there were no flights available relating to your details.

USER: OK, that's fine. Thank you for your valuable information.

ASSISTANT: Thank you for contacting us, Have a good day.