You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please check with my previous booking status and help me with changing my journey dates?

ASSISTANT: How may I assist you? Can you tell me your name?

USER: My name is Kathleen Gonzalez.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Oh! That's fine. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.