You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you aid me in booking a flight ticket from SEA to IAH?

ASSISTANT: Sure, I am glad to help you. When you have planned to travel?

USER: Thank you. I am planning to start on Aug 15th and return back on Aug 17th.

ASSISTANT: What do you prefer a connecting flight or a direct flight?

USER: Obviously direct flight.

ASSISTANT: On whose name, you want to reserve the ticket?

USER: Book it on the name Eric Johnson.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.