You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Ronald Scott. I am planning to attend for wedding at Houston, HOU, can you help me to make a reservation?

ASSISTANT: Sure, kindly mention your travelling dates.

USER: Travelling dates are on 05/22 and 05/24.

ASSISTANT: Ok, From where do you want to travel?

USER: I will board at Atlanta, ATL.

ASSISTANT: Ok, Do you need any halt?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no flights found based on your scheduled dates.

USER: Ok, not problem, thank you.

ASSISTANT: Thank you for availing us.