You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can i assist you?

USER: Me and my friends are planning to celebrate Beer festival with my first salary at Phoenix, AZ-PHX. Can you please help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, Can you share me your travel dates?

USER: My travelling dates are from 04/09 to 04/11.

ASSISTANT: There is a flight with price 100 in single connection, Is this alright with you?

USER: That's perfect for me. you can proceed for booking.

ASSISTANT: To proceed further, can I get your name?

USER: My name is Barbara Jones.

ASSISTANT: Your ticket has been confirmed with Southwest airline, flight number 1022.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us.