You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need a direct flight for my journey for a doctor check up in New York city by my family doctor in the month of January. Can you help me in booking me a flight for my location Oakland?

ASSISTANT: Sure, May I know the journey codes?

USER: Sure, my journey codes are OAK and LGA.

ASSISTANT: Please help me with your travelling dates.

USER: Ok, my travelling dates are Jan 21 and Jan 23.

ASSISTANT: Do you have any airline preference?

USER: No, I do not have such type of preference.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Laura Perez.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Not a problem, I will go by road trip to complete my trip. Anyways thank you for the infrmation.

ASSISTANT: Thank you for opting us.