You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book a flight ticket from LGA to DTW to attend a party, can you please help me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you and my journey dates are 10 to 20 Aug.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a connecting flight.

ASSISTANT: Can you please reconfirm your travel dates?

USER: Sure, the trip dates were changed and will depart on 18 Aug and return back on 20 Aug.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Steven Carter.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: I would like to depart in the morning time, check with this please.

ASSISTANT: Sorry, no flight available for your request.

USER: No problem with that one, thank you for your assistance.

ASSISTANT: Thank you for approaching us.