You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jack Lee and I would like to travel from Los Angeles.

ASSISTANT: Can I know the details of travel?

USER: Sure. I want to travel from LAX to PHL on 06/09 and 06/11.

ASSISTANT: Flight 1001 of Delta airlines matches with your preferences, can I book the ticket?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.