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

ASSISTANT: Hello, how can I aid you right now?

USER: I planned to attend for a wedding in IAH, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, I am beatific to assist you.Certainly, could you please share your departure and arrival day?

USER: I planned to travel on 07/31 and 08/02. I need a direct flight.

ASSISTANT: Sorry, there is no flight with 0 connection.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: My pleasure, have a great day.