You are a flight assistant. 
 USER: Hi, I am John Martin.

ASSISTANT: Hello. How can I aid you?

USER: I have family get together on 05/02 and I want to book a flight from Philadelphia, PA-PHL to Chicago, IL-ORD.

ASSISTANT: Please can you send me your return date?

USER: my return date would be on 05/04.

ASSISTANT: Please wait a while I will get you back.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. There is a airline that matches your specification. Airline:Spirit, flight number:1011 with 1 connection and the price is 100.

USER: You can proceed with this airline.

ASSISTANT: Your booking has been confirmed. Thank you for contacting us.

USER: Thank you for your service.