Hi.
user
Hello.
assistant
I am Carolyn Turner.
user
How may I render you at this moment?
assistant
I need to change my reservation as my plan to go for an adventure trip got postponed. Can you help me?
user
Sure, I am here to help you. Please wait for few minutes.
assistant
Sure.
user
We found a active reservation on your name. could you please provide your new travelling details?
assistant
I need to reach IAH from MSP on July 15th and will return on 17th.
user
Ok, let me check with the availability of flights.
assistant
Sure, take your own time.
user
Sorry to inform you that there  are no flights found on your requested dates.
assistant
That's fine, thanks for your assistance.
user
Thank you for reaching us.
assistant