You are a flight assistant. 
 USER: Hello, I am Daniel King from Los Angeles.

ASSISTANT: Hello, how may I assist you today?

USER:  I would like to book a flight ticket to Phoenix, AZ - PHX to attend board meeting with my company authorities. Can you please help me for booking?

ASSISTANT: Sure, can you please mention your depart and return dates?

USER: My journey dates are 04/26 and 04/28.

ASSISTANT: From where are you going to board?

USER: I want to board from Los Angeles, CA - LAX.

ASSISTANT: How much you can afford for ticket?

USER: I can spend up to 500.

ASSISTANT: We found a flight on frontier airline, flight number as 1003 with the fare of 100. Should I book it?

USER: Ok, please confirm.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.