Hello.
user
Hello, how can I aid you?
assistant
I am Debra Green. I need to change my reservation as my plan to go for trekking got postponed. Can you help me in changing?
user
Sure, give me a minute.
assistant
Sure.
user
Sorry, there is no reservation found under your name.
assistant
Thant's Ok, thanks for your response.
user
Thank you for reaching us.
assistant