You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am William Walker, want to travel from IAD to DEN.

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Can you please share your preferable journey dates?

USER: My travel dates are from 10/11 to 10/13.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1020 and connection is 1. Is it ok for you?

USER: Yes, please.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great day.