Hi.
user
Hello, how can I guide you today?
assistant
I want to change my reservation as my plan  to got for trekking got postponed. Can you help me?
user
Sure, I will help you.
assistant
Thank you.
user
May I know your name?
assistant
I am Robert Lee.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, we found a reservation on your name. Can you please share your trip dates?
assistant
I would start my trip on June 4th and return on 6th.
user
Please share your airport codes?
assistant
My origin is LAX and destination is DEN.
user
May I know your connection limit?
assistant
I need 1 stop over.
user
Do you have any other specifications?
assistant
Yes, I need to depart in the evening and would prefer an economy class.
user
We found a direct flight 1003 in Spirit airline with fare 100 and class is economy  with depart time is 20:00 PM. Shall I proceed?
assistant
Fine, please proceed.
user
Your booking has been confirmed.
assistant
Thanks for your support.
user
Thank you.
assistant