Hello.
user
Hello. How may I assist you at this moment?
assistant
Suddenly I got a call from my project manager to attend the meeting on the same departure date, so I am looking to change my travel dates. Can you please help me in changing the details?
user
Sure, I am happy to help you. Can you please tell me your good name to check your ticket status?
assistant
Thank you.  I am Patrick Allen.
user
Ok, please allow me some time to check the status.
assistant
Sure. take your own time.
user
I am really sorry for the trouble which is caused to you, I haven't found any reservation under your name to change the details.
assistant
Ok, no problem. Thank you for your information.
user
You are welcome. Thank you for reaching us.
assistant