You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Taylor.

ASSISTANT: What service that you are expecting from our agency John?

USER: I would like to go PHL next week to meet my friends there, can you please book a flight ticket for me?

ASSISTANT: Sure, I am oblige to help you.

USER: Thanks.

ASSISTANT: Can you please provide your preferable travelling dates?

USER: My departure date is 05/15 and please book my return ticket also on 05/17.

ASSISTANT: Ok, may I know your terminus airport code for booking?

USER: I would like to take off from OAK.

ASSISTANT: Please wait a moment to check the best flights available in your route.

USER: Ok.

ASSISTANT: Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Please confirm this flight ticket.

ASSISTANT: Ok, your ticket has been booked in flight number 1025.

USER: Thank you for your guidance.

ASSISTANT: Thank you for approaching us, hope you have great journey.