You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?

ASSISTANT: Ok, I will assist you with the amendment of your reservation. Can I know your name please?

USER: Thank you. I am Kenneth Jackson.

ASSISTANT: Ok, please wait a moment I will wait.

USER: Sure.

ASSISTANT: Ok, thank you for waiting. Sorry as per our records there is no reservation been found.

USER: Ok, no issues.

ASSISTANT: Thank you for connecting our agency.

USER: Thanks for the information.