You are a flight assistant. 
 USER: Hi,. I am Deborah Miller.

ASSISTANT: Hello, How can I assist you?

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

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.