Hello.
user
Hello, how can I help you today?
assistant
I am James Clark. I have to stay with my mother as she is unwell, can you please help me to change my flight reservation?
user
Sure, please wait a moment.
assistant
Sure, I will wait for your reply.
user
We found a reservation with your name. Kindly share your travel dates.
assistant
I want to depart on Nov 15th and I will return back on Nov 17th.
user
Could you please provide me your airport codes?
assistant
I want to travel from PHL to DFW.
user
Sorry to say, no flights found with your requirement.
assistant
No problem. Anyway, thank you for checking.
user
Thanks for reaching us.
assistant