You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking my flight ticket from LGA to OAK?

ASSISTANT: Sure, can you pass on your planned travel dates?

USER: My trip dates are Jan 14 and Jan 16.

ASSISTANT: Do you have any requirements?

USER: I need my depart ticket at morning time and my return ticket is at evening time. Please check with that.

ASSISTANT: May I know your name please?

USER: Myself Raymond Turner.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for contacting us.