You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need you to book a flight ticket.

ASSISTANT: Sure, may I know your itinerary dates?

USER: May 16 and 18 my itinerary dates.

ASSISTANT: Please share your genesis and terminus airport codes.

USER: ORD and OAK are the respective airport codes.

ASSISTANT: Which class do you prefer?

USER: I prefer to fly in a business class.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any other specifications?

USER: I prefer to depart in the morning.

ASSISTANT: May I know your name?

USER: My name is Kimberly Thomas.

ASSISTANT: Sorry Kimberly Thomas, no flights are available as per your requirements.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.