Hello.
Hello. How can I assist you today?
 Suddenly I got a call from my team lead that there is an important meeting. So, I don't have any other option to travel. Can you please help me in changing the ticket?
Sure, I can help you with that. May I know your good name please?
Yes, I am Anna Brown.
Ok, please wait for a while.
Sure.
Anna Brown, there is no reservation found under your name to do modifications in that.
Ok, not a problem. Thank you for your information.
Thank you for choosing us.