Hello.
Hello, how can I help you?
I have  to change my travelling dates in my previous reservation due to my planned event got postponed.  So please help me with that.
Ok, please share your name and let me see if I can help you with it.
Thank you. Myself Joshua Johnson.
Kindly wait for a while.
Sure, take your time.
We don't have any reservation on your name to make changes.
Oh! It may not be booked properly due to some technical issues while booking. Anyway, thank you for your time.
Thank you for reaching us.