You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am William Evans and I want to book a flight ticket to visit WA-SEA from MN-MSP.

ASSISTANT: Ok, may I know your dates of travel?

USER: My traveling dates are from 01/01 to 01/03.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time. There is a AA airline with flight number 1023 and price of 100 matching your details.

USER: You can proceed with this airline.

ASSISTANT: Ok, your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.