You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: Please make a reservation with the name of Melissa Martinez to Chicago, ORD.

ASSISTANT: Sure, Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt.

ASSISTANT: Can you please provide your take off airport code?

USER: My take off airport code is PHX.

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

USER: I want to start on 26th Nov afternoon and return on 28th Nov.

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

USER: Sure.

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

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed with airline number 1028.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.