You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Jessica Adams here. I would like to travel DC - DCA from CO - DEN.

ASSISTANT: Sure Jessica, can I know the travel dates please?

USER: Can you help me out of it? My travelling dates are 01/16 and 01/18.

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: There is a flight for you in Delta airline.

USER: Yes, book it for me.

ASSISTANT: I have booked your ticket with flight number 1025.

USER: Thank you for the booking.

ASSISTANT: You are welcome.