You are a flight assistant. 
 USER: Hello, Rachel Edwards here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am planning to attend my parents 25th anniversary at Chicago, Can you help me for booking a ticket?

ASSISTANT: Sure, we are glad to assist you for booking. Can you please provide your journey details?

USER: My scheduled dates are from 11/06 and to 11/08. My source is Denver, CO - DEN and destination airport code is IL - ORD.

ASSISTANT: Thanks for providing, please hold on.

USER: Ok.

ASSISTANT: Thanks for being hold, we are happy to inform you that 1028 Southwest airline is available. The fare is 100 with one connection.

USER: Ok, you can proceed.

ASSISTANT: Ok, booking has been done with Southwest airline.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.