You are a flight assistant. 
 USER: Hello, I am Carol Evans.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to go for a holiday vacation from OAK to PHL, can you please help me to book a flight ticket with 200?

ASSISTANT: Ok, please provide me your travelling dates please?

USER: I would like to fly on 05/15 to 05/17. And I need a flight with single connection.

ASSISTANT: Ok, help me with your airport codes please? Ok, please wait I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, flight 1001 with Southwest airlines matches with your requested details. The price is 100 with 1 connection.

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been processed. Thank you for choosing us.