You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please make a reservation from DCA to DFW to visit Nasher Sculpture Center in Dallas?

ASSISTANT: Do you have any class preferences?

USER: Yes, I prefer economy class in my journey.

ASSISTANT: May I know your name?

USER: My name is Kevin Garcia and please book a flight ticket with my name.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My journey start from Washington on Aug 22nd, and intend to return back on 24th of August.

ASSISTANT: There is a economy class flight 1010 of American Airlines, can I proceed?

USER: I need a connecting flight, and my depart time is in the morning, can you please recheck once.

ASSISTANT: Sorry, there is no flight as per your requests.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.