You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Dorothy Hill. I am planning to celebrate my birthday in Los Angeles, can you help me in booking a flight ticket from Charlotte?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I would like to fly on 09/22, return on 09/24.

ASSISTANT: Ok,Could you please help me with your corresponding airport codes?

USER: My source and destination airport codes are NC - CLT, CA - LAX.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: We found a connecting flight in AA airline with a fare of 100 and the flight number is 1015. Shall I proceed?

USER: Ok, you can proceed to booking.

ASSISTANT: Sure, your booking has been done in economy class.

USER: Thank you for your good service.

ASSISTANT: Thank you for choosing us.