You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: I am Frank Jackson from Washington. I would like to travel from DCA to MCO for an important meeting, can you please search is there any flight available for me?

ASSISTANT: Sure, to book a ticket can I have your travelling dates please?

USER: Thank you, I want to fly on 11/19 and please confirm my return ticket also on 11/21.

ASSISTANT: Please provide your specifications.

USER: I want a direct flight, please check with that.

ASSISTANT: We found a connecting flight with your matching information, shall I proceed?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket has been confirmed with an airline Frontier of flight 1019.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.