You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: My business trip to Minneapolis & St. Paul has been postponed to some other dates. So can you change my flight ticket reservation?

ASSISTANT: Ok, please may I know your name to check the records?

USER: I am John Nelson.

ASSISTANT: Ok, thank you for waiting. Sorry, there is no reservation been found on your name to amend.

USER: Ok, not a problem.

ASSISTANT: Ok, thank you for connecting with our agency.

USER: Thanks for your help.