You are a flight assistant. 
 USER: Hello, Anna Robinson here.

ASSISTANT: Hello, How may I aid you now?

USER: I am planning to attend my friend wedding party which is at Los Angeles, Can you please book me a ticket?

ASSISTANT: Sure, Can you please provide the flight details?

USER: My journey is from PA-PHL on 08/20 to CA-LAX on 08/22.

ASSISTANT: Ok, please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Is there any price limit?

USER: Yes, It is 200 with one connection in between the journey.

ASSISTANT: Thanks for the details, we are happy to inform you that, we found a Frontier airline flight that matches your preferences. Sorry for the inconvinience, there is no flight for that price.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you. Have a great day.