Hi, I am David Collins.
Hello, how can I assist you today?
Owing to an emergency, I want to change my reservation. Can you help me to change my reservation?
Sure, I can help you with that. Please wait for a while.
Sure, I will wait for your response.
David Collins, there is no reservation found under your name to do modifications in that.
Ok, no issues. Thanks for your kind assistance.
Thank you for choosing us.