You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from LGA to MSP. Could you help me in booking?

ASSISTANT: On which dates you are planning to travel?

USER: My planned travelling dates are from May 07 - 09.

ASSISTANT: Do you have any other requirements?

USER: I prefer for connecting flight.

ASSISTANT: May I know your name please?

USER: Raymond Jackson.

ASSISTANT: Ok, please wait.

USER: Ok.

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

USER: That's ok, thank you.

ASSISTANT: Most welcome.