You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like o meet my business partner at Philadelphia, please book a ticket from DCA to PHL.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates to check the flight ticket.

USER: My trip dates are 08/21 and 08/23.

ASSISTANT: May I know your name to proceed further?

USER: My name is Joshua Clark.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Frontier airlines, can I proceed with it?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with 1004 flight.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.