You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me book a connecting flight from Dallas & Fort Worth to Phoenix?

ASSISTANT: Sure, kindly mention your journey airport codes.

USER: They are from 09/30 to 10/02. My journey is from DFW to PHX.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight of Frontier airline of flight number 1000 having a stopover and fare is 100.

USER: Proceed for booking.

ASSISTANT: Your booking has been done. May I know your name.

USER: My name is Helen Carter.

ASSISTANT: Thank you, have a safe journey.

USER: Thank you for helping me.