You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Mary Taylor. Can you help me to change the reservation I did recently?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok, please take your time. Thank you for the help.

ASSISTANT: Thanks for your time, there is no active reservation found in your name to change.

USER: That is ok,  thank you for connecting with our agency.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you.