You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

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.

USER: Thank you.

ASSISTANT: Can you please help me with your good name?

USER: I am Nancy Martin.

ASSISTANT: Ok, please wait for few minutes, let me check with your recent reservation status.

USER: Ok.

ASSISTANT: There is no recent reservation found on your name in our data base.

USER: No issues, thank you for your information.

ASSISTANT: Thank for availing us.