You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I made a reservation earlier to meet my childhood friend but, now I am unable to travel. So, please check with the reservation on the name of Patrick Thompson to change it.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to change.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for opting us.