You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jason Jones here.

ASSISTANT: How can I assist you?

USER: I want to book a flight from LGA to PHL. Could you help me?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable dates are from 04/30 to 05/02.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Southwest airlines with price 200 available for you. Shall I book the ticket for you?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed and the flight number is 1002.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.