You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please reserve a seat for me in a flight from DCA to EWR.

ASSISTANT: May I know your travelling dates to go?

USER: Ok, my travelling dates are from Feb 15 to 17.

ASSISTANT: Is there any other specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your good name?

USER: Sure, I am Emma Hall.

ASSISTANT: Southwest airlines providing a connecting flight in economy class.

USER: Please confirm it.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you.