You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from LGA to MSP because of my project work, can you please help me to book my flight ticket?

ASSISTANT: Sure, when would you like to travel?

USER: I want to take-off on 09/18 and return on 09/20.

ASSISTANT: May I know your name please?

USER: My name is Margaret Taylor.

ASSISTANT: Taylor, no flights has been found on your requested dates of your journey.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.