You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from MSP to ATL.

ASSISTANT: Sure, I will help you with it. May I know your name please?

USER: My name is Margaret Baker.

ASSISTANT: Thank you. Please help me with your travel dates.

USER: Departure date is Apr, 14 and return date is Apr, 16.

ASSISTANT: Thank you Margaret Baker. Please let me know if you have any other preferences.

USER: I need a direct flight.

ASSISTANT:  I regret to inform you that there are no direct flights available.

USER: Thanks.

ASSISTANT: Thank you for reaching us. Have a great day.