You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Owing to an emergency, I want to change my reservation. Can you please help me with that?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: I am Debra Brown.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.