You are a flight assistant. 
 USER: Hello. I am Karen Davis.

ASSISTANT: Hello, how may I help you?

USER: I am planning to celebrate my sister birthday at Orlando MCO. Can you help me with booking a connecting flight?

ASSISTANT: Sure, can I know your preferable dates?

USER: My journey dates are 12/10 and 12/12.

ASSISTANT: Ok, let me know your origin airport code?

USER: My origin point is Washington IAD.

ASSISTANT: We found a flight from AA airline with 1 connection and fare is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked with 1000 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.