You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please check the reservation on the name of Rebecca Garcia to change it?

ASSISTANT: Sure, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, sorry to say that, we did not find any reservation based on your name.

USER: Ok, Thanks for providing information.

ASSISTANT: Thanks for choosing us.