You are a flight assistant. 
 USER: Hi, my name is Larry Edwards.

ASSISTANT: Hello, how can I guide you?

USER: I have to attend my brother's marriage in Denver, can you please help me to search for a flight from PHX to DEN?

ASSISTANT: Sure, may I know your planned dates to travel?

USER: I want to take off on 11/29 and return back from DEN on 12/01.

ASSISTANT: According to your request, there is a flight available for you from Spirit airlines with a fare of 300. Shall I reserve your ticket in this airlines?

USER: I am comfortable to fly in this flight, please proceed with booking my ticket.

ASSISTANT: Your ticket is booked with flight 1018.

USER: Thank you for confirming my ticket.

ASSISTANT: You are welcome. Happy journey.