You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Eric Harris, want to travel from LAX to OAK.

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are from 06/15 to 06/17.

ASSISTANT: I found a flight 1004 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.