You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Raymond Lee, can you please help me in booking a flight ticket from PHL to OAK?

ASSISTANT: Sure, I will help you. Can you please provide me your travelling dates?

USER: My planning dates are from 01/21 till 01/23.

ASSISTANT: There is one flight is available for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1004 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.