You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a direct flight from IAH to SEA, can you please search and book the flight ticket for me?

ASSISTANT: May I know your name please?

USER: My name is Jason Young.

ASSISTANT: Can I have your trip dates please?

USER: Sure, I will depart on 05/24 and return back on 05/26.

ASSISTANT: Jason, no flights has been found on your request.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for approaching us.