You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Anderson want to travel to WA-SEA to meet my friends. Can you book a connecting flight?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travel dates are 08/27 and 08/29.

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

USER: I will depart from MN-MSP.

ASSISTANT: UA airline is available with 1 connection and fare is 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked and flight number is 1005.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.