You are a flight assistant. 
 USER: Hi, I am Gregory Lopez.

ASSISTANT: Hello, how can I help you?

USER: Can you please check flights on 04/20?

ASSISTANT: Sure. When you will catch the return flight?

USER: I planned to arrive on 04/22.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a lay by in between my journey.

ASSISTANT: Help me with your airport codes.

USER: Philadelphia, PHL to Denver, DEN are the travel codes.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Jet blue, flight number:1022, price 100, 1 connection. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a pleasant day.