You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you?

USER: Unfortunately my grand mother was hospitalised, So I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: The reservation has been made on the name of Laura Mitchell.

ASSISTANT: Thanks for providing your name, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.