You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Los Angeles, can you please help me for booking the flight ticket from PA-PHL to CA-LAX?

ASSISTANT: Sure, may I know your dates of journey please?

USER:  The journey dates are 05/20 to 05/22.

ASSISTANT: There is a flight with airline Hawaiian, which is exactly matched to your criteria.

USER: Ok, may I know the price?

ASSISTANT: Price is 200.

USER: Ok, proceed with my booking on the name of Dennis Adams.

ASSISTANT: Adams, your ticket was confirmed.

USER: Thank you for helping me out.

ASSISTANT: You are welcome.