You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Deborah Harris. I would like to book a ticket from IAD to PHL, can you please help me out?

ASSISTANT: Sure, may I know your planned trip dates please?

USER: I am travelling on these dates 11/01 and 11/03.

ASSISTANT: Please wait for a minute. I found a flight in Spirit airlines with price 200. Shall I book the ticket for you?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is confirmed and the flight number is 1005.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.