You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to change my reservation due to an emergency?

ASSISTANT: Sure, can you share your name for checking the reservation status?

USER: Jason Jackson here.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Not a big deal.

ASSISTANT: Thank you for reaching us.