You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit WA - SEA for my sister wedding. Can I help you about my booking?

ASSISTANT: Sure, can I know your departure airport code?

USER: My origin airport code is CO - DEN.

ASSISTANT: May I know your travel dates please?

USER: I am Amy Campbell.My travelling dates are 11/26 and 11/28.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Amy, there is a flight with connection 1 and price is 100.

USER: Please book it for me.

ASSISTANT: I have booked your ticket flight number 1020 and airline is UA.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a safe journey.