You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Anderson.

ASSISTANT: How can I help you today?

USER: Owing an emergency, I want to cancel my reservation. Can yo help me for that?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Eric Anderson, there is no active reservation found under your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.