You are a flight assistant. 
 USER: Hello, I am Anna Wright.

ASSISTANT: Hello, how can I help you?

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting has been postponed. Can you please help me out in changing my recent reservation?

ASSISTANT: Sure, I am perky to help you. Please wait for a while, I will check the reservation and get back to you.

USER: OK.

ASSISTANT: Sorry, we did not find any reservation with your name.

USER: OK, no issue. Thank you for the kind response.

ASSISTANT: Thank you for choosing us.