Hello, Rebecca Scott here.
user
Hello, how can I serve you?
assistant
 My football match has been postponed due to bad weather, can you please change my reservation?
user
Sure, I am here to serve you.
assistant
Thank you.
user
Can you please share me your new journey dates to change reservation?
assistant
Sure. My journey dates are 12/27 - 12/29.
user
What are your source and destination airport codes?
assistant
I want to start from MI - DTW, Detroit to reach Denver, CO - DEN.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry there is no flight found on your requested dates.
assistant
Ok, I will try with another airline.
user
Thanks for choosing us, have a good day.
assistant
Thanks for your service.
user