You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: My name is Deborah Campbell. I would like to book a flight ticket on dates from 05/02 to 05/04.

ASSISTANT: Ok, can I know your airport codes?

USER: I want to travel from PHL to BOS.

ASSISTANT: I found a flight 1023 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking the ticket.

ASSISTANT: Thank you, have a good day.