Hi.
user
Hello. What service you are expecting from our travel agency?
assistant
I am Lisa Jones, can you help me for changing my existing reservation?
user
Sure, I will help you.
assistant
Thank you.
user
Please provide me some time to check the ticket status.
assistant
Ok, I will wait for your reply.
user
Sorry, there is no reservation found on your name in our database to modify.
assistant
Oh! It's ok, no problem. Thank you for your services.
user
 Thank you for reaching us. You are welcome.
assistant