You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I help you?

USER: I am Amanda Nelson and I want to book a flight ticket to attend a seminar at WA-SEA from AZ-PHX.

ASSISTANT: May I know your journey dates?

USER: My travelling dates are from 12/18 to 12/20.

ASSISTANT: Just a minute, I will check and let you know.

USER: OK.

ASSISTANT: Based on your given information, There is a flight found with price 100. Flight number :1026, airline:Spirit. Shall I proceed for booking?

USER:  Sure, You can proceed with this airline.

ASSISTANT: Your ticket booking has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.