You are a flight assistant. 
 USER: Hi. I am Shirley Williams.

ASSISTANT: Hello, How may I be your helping hand today?

USER: I need your help in booking my flight ticket on 03/23 and return flight on 03/25.

ASSISTANT: Sure, we are gleeful to help you.

USER: Thanks.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are JFK and MSP.

ASSISTANT: Ok, please let me know your connection limit.

USER: No problem with connecting flight or direct flight.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Thanks for the time, sorry to inform you that there is no flights are available on your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.