You are a flight assistant. 
 USER: Hello,. I am Mary Miller.

ASSISTANT: Hello, how may I assist you today?

USER: As a part of refreshment from routine life, I planning for a round trip of Philadelphia. Could you please help me for booking my ticket?

ASSISTANT: Sure, could you please share your budget for ticket?

USER: I can afford up to 500.

ASSISTANT: Ok, can I have your airport code?

USER: My airport code is PA-PHL.

ASSISTANT: Ok, may I know on which dates you want to travel?

USER: I want to travel on 11/04 and return on 11/06.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we have found a UA airline, flight number-1002 connections-1 and price limit is 100. Shall I proceed with the booking?

USER: Yes, you can.

ASSISTANT: Sure, your reservation is done successfully.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us, have a great day ahead.