You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Jeffery Campbell here. Can you please search for the flights from LAX to MSP for my business trip?

ASSISTANT: Sure, i am here to help you in booking. Can you please share your travel dates?

USER: My journey dates are from July 31st to Aug 2nd.

ASSISTANT: Let me know your departure time and arrival time.

USER: My depart time is in afternoon and my return time is in evening.

ASSISTANT: Do you have any specification?

USER: I need a single connection flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Most welcome.