You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from DEN to PHX to enjoy music festivals.

ASSISTANT: Sure, can you please share me your travelling dates?

USER: Sure, my journey dates are Jun 13 and Jun 15.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum 1 connection.

ASSISTANT: Do you have any preferred timings for this journey?

USER: I would prefer depart time at evening.

ASSISTANT: Can I have your name please?

USER: Sure, Margaret Johnson here.

ASSISTANT: Hawaiian airlines flight- 1012 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.