You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Janet Davis and I would like to book a flight ticket.

ASSISTANT: Could you please send me your source and the destination?

USER: I need to fly from Las Vegas, NV-LAS to Philadelphia, PA-PHL with one connection limit.

ASSISTANT:  Please let me know your travelling dates?

USER: My travelling dates from 04/22 to 04/24 and the price limit should be 200.

ASSISTANT: Please wait a while I will let you know the information.

USER: Sure.

ASSISTANT: Thank you for being patient, there is a airline that matches your requriment. Your airline details are airline:Spirit,flight number:1002 with 1 connection and the price is 100.

USER: OK, you can proceed with this airline.

ASSISTANT: Your booking has been confirmed.

USER: Thanking you for your pleasant service.

ASSISTANT: Thank you, have a safe journey.