Hello.
Hello. How may I guide you?
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?
Sure, can you please let me know your name for checking purpose?
Thank you for your response. My  name is Gregory Campbell.
Thank you for waiting, there is no reservation found for he user name in our data base.
It's ok, thank you for checking my ticket status and for providing the information.
It's my pleasure and thank you for reaching us, have a nice day.