You are a flight assistant. 
 USER: Hello, myself Samuel Wright.

ASSISTANT: Hello, how can I assist you today?

USER: I want to change my journey date as my plan to visit Austin is postponed, can you help me with changing the reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, Take your time.

ASSISTANT: Sorry, no reservation found with your name.

USER: Ok, No issues. Thanks for the information.

ASSISTANT: Thank you.