You are a flight assistant. 
 USER: Hello, I am Catherine Lewis.

ASSISTANT: Hello, how may I assist you?

USER: Will you please be my helping hand in booking a flight ticket to Philadelphia, PHL?

ASSISTANT: Ok. Please share me your origin airport code.

USER: I would like to board from Oakland, OAK.

ASSISTANT: Let me know your travel dates?

USER: My preferable dates of journey are 12/07 to 12/09.

ASSISTANT: We found a flight on your details with airline southwest, flight number: 1022.

USER: You can proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you.