You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Lewis.

ASSISTANT: Lewis, how can I help you today?

USER: I would like to book a ticket from NY-EWR to meet my family. Can you please help me out to book a ticket?

ASSISTANT: Ok, when you are willing to travel?

USER: I would like to fly on 08/20 and return on 08/22.

ASSISTANT: Please share your airport codes.

USER: My destination airport code is PA-PHL.

ASSISTANT: Give me a minute please.

USER: Sure.

ASSISTANT: There is flight 1008 of Southwest airlines for you with 1 connection, shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket is reserved with price 200.

USER: Thank you for your help.

ASSISTANT: Thank you for using our agency.