You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Kathleen Wright.

ASSISTANT: How can I help you?

USER: My trip dates has been postponed, can you change my reservation?

ASSISTANT: Sure, please wait for a minute. Sorry, there is no reservation with your name.

USER: It's fine. Thank you for your help.

ASSISTANT: You are welcome.