You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a connecting flight for my trip?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My travelling dates are Dec 05 and 07.

ASSISTANT: Could you tell me your nearest airport codes?

USER: My airport codes are JFK and ATL.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Proceed with booking.

ASSISTANT: Can I know your name for booking?

USER: My name is Shirley Lee.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.