You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Karen Adams here.

ASSISTANT: How may I assist you today?

USER: I would like to visit Philadelphia for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your planned dates of travelling?

USER: Sure, I am planning to move on 10/17 and please book my return ticket on 10/19.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: Sure, my nearest origin airport code is SEA and my destination airport code is PHL.

ASSISTANT: Ok, please wait a moment to check the flights availability in your route.

USER: Ok, take your time.

ASSISTANT: Based on your information, JetBlue 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: That's fine, you can proceed with booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1003.

USER: Thank you for your help in booking of my ticket.

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

USER: Welcome.