You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: Please book a ticket from Washington DC-IAD to Philadelphia, PA-PHL.

ASSISTANT: Sure, may I know your name please?

USER: I am Nancy Mitchell.

ASSISTANT: Please provide me your journey dates.

USER: Departure date is 02/16 and 02/18 is return date.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Frontier airlines with price 100 and 1 connection. Can I book the ticket for you?

USER: Please book a ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1019.

USER: Thanks.

ASSISTANT: Thanks.