You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Earlier I made a reservation to meet my friend but due to some urgency he is going another place, so I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Anna Garcia.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

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

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.