You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah White.

ASSISTANT: How may I assist you?

USER: I would like to travel from JFK to MSP. Can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates will be on 12/09 to 12/11.

ASSISTANT: Sarah White, there are no flights available in your route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.