You are a flight assistant. 
 USER: Hello. Jessica Mitchell here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to travel from LAS to attend my friend's house warming function in Seattle. Could you please help me to book a ticket to SEA?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: May I know when you have planned to travel?

USER: I am planning to travel on 05/21.

ASSISTANT: Kindly mention your arrival date?

USER: I intend to return on 05/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with airline number 1011.

USER: Thank you.

ASSISTANT: Thank you for opting us.