You are a flight assistant. 
 USER: Hello, Dorothy Nelson is my name.

ASSISTANT: Hello, how can I abet you today?

USER: I want to participate in Death Valley Adventure at Philadelphia, PA - PHL. Can you book a ticket from Phoenix, AZ - PHX?

ASSISTANT: Sure, do you have any other restrictions?

USER: Yes, I need a halt.

ASSISTANT: Ok, help me with your journey dates.

USER: I will start on 02/28 and return on 03/01.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a plane named Delta with 1015 number and the fare is 100.

USER: Ok, please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for consulting us.