You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Stephanie Collins. I need a flight from DEN to BOS, can you please help me in booking?

ASSISTANT: Sure. Can I have your travelling dates?

USER: My travel dates are from 10/17 till 10/19.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight available with UA airline, shall I book it?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1021. Happy journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.