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

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation available on your name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thanks for reaching us.