You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary Williams, want to travel from IAD to LAS. Please help me in booking my ticket.

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my trip dates are from 05/21 to 05/23.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Hawaiian airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.