Hello.
user
Hello. How may I serve you?
assistant
I am James Clark.
user
Nice to meet you James.
assistant
Owing to emergency I want to change my existing reservation, can you help me with that?
user
Sure, I will help you with the change of flight reservation.
assistant
Thank you.
user
Please wait.
assistant
Sure.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
No issues, thank you.
user
Thank you.
assistant