You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Larry Gonzalez.

ASSISTANT: How can I assist you?

USER: Can you be my helping hand in changing my recent reservation?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found by name Larry Gonzalez.

USER: Ok, thank you for help.

ASSISTANT: Thanks.