You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Janet Hill.

ASSISTANT: Ok.

USER: Can you help me in booking my flight ticket from ATL to IAH?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates will be Oct 13 to Oct 15.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no direct flights found under your preferable details.

USER: Its ok, thank you.

ASSISTANT: Welcome, have a great day.