Hello.
user
Hello, do you need any help from us?
assistant
I need to change my source airport because due to some work I came to Boston, can you please help me to change the ticket details?
user
Sure, I am glad to help you.
assistant
Thank you.
user
Could I have your name please?
assistant
My name is Dorothy Clark.
user
Ok, please allow me a moment.
assistant
Ok, take your time. I can wait for your response.
user
Sorry, there is no reservation with your name in our portal to make changes.
assistant
Oh! That's sad to hear from  your end. Anyhow thank you for checking my ticket status.
user
You are welcome, have a great day.
assistant
You are welcome.
user