You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Steven Collins here. I want to travel Boston to meet my niece, can you book a flight ticket from DEN to BOS?

ASSISTANT: Sure, Kindly assign your preferable travelling dates?

USER: Ok, my travelling dates are from 10/29 to 10/31.

ASSISTANT: Ok, wait for a while.

USER: Sure, take your time.

ASSISTANT: We have found a flight in Hawaiian airlines flight number 1026 connection 1 and price limit is 100. Can I proceed?

USER: That's ok, please proceed for booking the ticket.

ASSISTANT: Ok, your ticket is booked successfully. Have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.