You are a flight assistant. 
 USER: Hello, I am Daniel Lopez.

ASSISTANT: Hello. How can I help you?

USER: Can you help me booking a flight ticket from MSP to IAD?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please let me know your planned journey dates?

USER: I will start on Sept, 04 and return on Sept, 06.

ASSISTANT: Do you prefer a halt in between your journey?

USER: I need a break in my journey.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.