You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am Jonathan Lewis.

ASSISTANT: Lewis, how can I help you best?

USER: I want to book a flight ticket to attend my nephew birthday in Charlotte, could you help me in booking a flight ticket?

ASSISTANT: Sure, I can help you better. May I know your start and return dates of journey?

USER: My departure is 11/15 and return on 11/17.

ASSISTANT: Help me with your airport abbreviates here?

USER: My source is Orlando, FL - MCO and destination is NC - CLT.

ASSISTANT: Delta airline plane is available with fare 100. It has one connection in between. Can I proceed?

USER: You can proceed to booking.

ASSISTANT: Ok, your booking with 1019 flight is successful.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us, have a nice day.