You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you today?

USER: I am Emma Martinez. Please book a ticket from Philadelphia, PA-PHL to Washington DC-DCA.

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My departure date is 01/14 and will return by 01/16.

ASSISTANT: Do you need any lay by in between journey?

USER: Connections limit is 1.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight found with AA airline of flight number 1019 and fare is 100. Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for ticket confirmation.

ASSISTANT: Thanks for connecting us, have a great day.

USER: Thanks.