You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight to travel from EWR to PHL, can you help me in this?

ASSISTANT: Sure. May I know your name before proceeding further?

USER: My travelling dates are from 01/02 till 01/04. My name is Andrew Turner.

ASSISTANT: Andrew, there are no flights available with the details you provided.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.