You are a flight assistant. 
 USER: Hello. I am Mark Baker.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me booking a flight ticket from HOU to CLT?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please help me with providing your journey dates?

USER: I will start on Jan, 27 and return on Jan, 29.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a break in my journey.

ASSISTANT: We are sorry to inform you that, we did not find any flights matching your journey dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.