You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for normal cost flight which will be travelling from MSP to PHL. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my trip dates are from 08/04 to 08/06.

ASSISTANT: Do you have any other requirements?

USER: I am searching for business class flight and I need a connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, we regret to inform you that there is no flights available as per your request.

USER: It's ok, thank you for your help.

ASSISTANT: May I know your name for documentation?

USER: My name is Sandra Hall.

ASSISTANT: Thank you to approach us.