You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to spend my free time with my granny at Atlanta, can you help me with booking a connecting flight?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you. My travelling dates are Nov 14 and Nov 16.

ASSISTANT: Can you please share your airport codes?

USER: I will fly from OAK my nearest airport  to reach ATL.

ASSISTANT: Do you have any class preference?

USER: I want to travel in economy class flight.

ASSISTANT: Is there any time concern?

USER: I prefer to fly in the morning time.

ASSISTANT: Can I have your name please?

USER: Donna Lewis here.

ASSISTANT: Donna Lewis , there are no flights available in your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.