You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Nelson.

ASSISTANT: How can I assist you today?

USER: Can you help me searching flights from OAK to CLT to attend my college anniversary?

ASSISTANT: Sure, please mention your travelling dates.

USER: My travelling dates are 01/26 and 01/28.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait for your reply.

ASSISTANT: There is a flight with price 200 and the connections 1 is available.

USER: Proceed to booking that flight.

ASSISTANT: Your ticket is booked. The flight number is 1000.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Welcome, have a great day.