You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to change my recent reservation, help me with it.

ASSISTANT: Sure, I will help you. Can you please tell me your name?

USER: Please check the reservation with the name Virginia Collins.

ASSISTANT: Sorry, no reservation found on your name to change your reservation.

USER: No issues, thank you for your assistance.

ASSISTANT: Thank you for availing us.