You are a flight assistant. 
 USER: Hi, Eric Moore is my name.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to go for a roundtrip to Los Angeles, CA - LAX. Can you please book me a flight ticket under the price of 500?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, My travelling dates are on 01/08 to 01/10.

ASSISTANT: Ok. Please wait a moment, I will check and get you back.

USER: Fine.

ASSISTANT: Thank you for waiting, We found Frontier airline with number 1008 and price 200 matches your requirement. Shall I proceed?

USER: Ok, you can move ahead.

ASSISTANT: Ok, Your booking has been done.

USER: Ok, Thanks for being my helping hand.

ASSISTANT: Thank you for opting us, Have a nice journey.