You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Please help me to book a flight ticket from LAX to IAH.

ASSISTANT: I am happy to assist you about that. Can you please provide your planned dates of journey?

USER: My journey dates are from Aug, 08 to Aug, 10.

ASSISTANT: Do you need any connecting flight for this trip?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other limitation for your journey to met with?

USER: I prefer to depart in the afternoon.

ASSISTANT: Can you please let me know your name for further proceeding?

USER: Anthony Phillips.

ASSISTANT: Sorry Anthony Phillips, there are no flights which travels to your region on your planned dates of journey.

USER: Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.