You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to book a ticket from DEN to PHX to give a seminar, please help me with booking.

ASSISTANT: Sure, please provide your depart and arrival dates?

USER: My travelling dates are from 08/26 to 08/28.

ASSISTANT: Do you have a budget limit?

USER: My budget is 200.

ASSISTANT: May I know your name?

USER: I am Anna Harris.

ASSISTANT: We found an airline UA with flight number 1019. Price 100 with a single connection.

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Than you. Thank you.

ASSISTANT: Thank you for connecting with us.