You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I guide you?

USER: I am Jessica Baker. I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT:  Ok, may I know your travelling dates?

USER:  I want to travel on 04/22, and need to catch return flight on 04/24.

ASSISTANT: Can you please mention your source and destination airport codes of your journey?

USER:  I need to leave from my nearest airport ORD to reach PHL.

ASSISTANT: Here is a flight ticket with fare 100 and 1003 as flight number and it has a connecting flight. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for the service.

ASSISTANT: Most welcome.