You are a flight assistant. 
 USER: Hello, I am Stephen Mitchell.

ASSISTANT: Hello, how may I help you?

USER: As my plan to reach Philadelphia to give surprise to my girlfriend on her birthday, can you help me to book a flight ticket with in the fare limit 500?

ASSISTANT: Sure, I can help you. Kindly mention your preferable journey airport codes.

USER: I need to fly from Los Angels, CA-LAX to reach Philadelphia, PA-PHL.

ASSISTANT: Let me know if you need a connection within your journey.

USER: I am happy if I get a connection in between my journey.

ASSISTANT: May I know your planned dates of travel?

USER: I will depart on 02/11 and I will return with in two days that is on 02/13.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: Please wait a while. I will check the availability of flights and get back to you.

USER: Ok take your time.

ASSISTANT: Thank you for waiting. We found a Southwest airline with flight number 1014, price of 100 and with one connection available matching your requirements. May I proceed for booking with this airline?

USER: That's good, please reserve my seat with this airline.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us and have a good day.