Hello. I am Christopher Mitchell.
user
Hello, how may I abet you?
assistant
 I am going to enjoy my holiday trip in the Redwood Regional Park with my colleagues, which is at Phoenix. Could you please help me in booking a ticket with fare of 1000?
user
Sure, may I know when are you planning to travel?
assistant
My travelling dates are 04/23 and return on 04/25.
user
Kindly mention your airport codes.
assistant
My airport codes are  ORD and PHX.
user
Ok, please wait.
assistant
Sure.
user
Frontier airline with flight number 1015 is going on your route and fare is 200. Shall I proceed for booking?
assistant
You can proceed.
user
Your booking has been confirmed.
assistant
Thanks for your support.
user
Thank you for opting us.
assistant