You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Joseph Allen, I want to book a flight from LAX to MSP in the month of August.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you for considering my request.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my planned travelling dates are 10/23 and 10/25.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure please take your time.

ASSISTANT: Sorry, there are no flights found.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for approaching us.