You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Walker.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Atlanta, ATL. Could you please book me the ticket from Philadelphia, PHL?

ASSISTANT: Sure, I'm here to help you always. Can you please provide your planned travel dates?

USER: My planned dates of journey are from 12/12 to 12/14.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1024, have a safe journey.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.