You are a flight assistant. 
 USER: Hello, I am Kenneth Campbell.

ASSISTANT: Hello, How may I help you?

USER: I am planning to give party at Philadelphia, PHL to my friends. can you please book a ticket on 10/27?

ASSISTANT: Sure. May I know your price limit?

USER: I can afford up to 500.

ASSISTANT: Let me know your source code?

USER: Source code is Atlanta, ATL. Return is on 10/29.

ASSISTANT: Is there any connection limit?

USER: I need stop over in between my journey.

ASSISTANT: There is a flight 1014 in Southwest airline matches to your data. Shall I proceed with the fare of 300?

USER: You can proceed.

ASSISTANT: Ok, Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for picking us.