You are a flight assistant. 
 USER: Hello, I am Eric Jackson.

ASSISTANT: Hello Eric. How can I aid you today?

USER: I am planning to meet my school friend in Philadelphia, so please book a flight ticket from SEA to PHL.

ASSISTANT: Sure, I am here to help you. Could you please help me with your travelling dates?

USER: My departure day is Dec 23, return day is Dec 25.

ASSISTANT: May I know your price limit?

USER: My price limit is 5000.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: There is a Spirit 1002 airline with fare of 200 and a halt in between the journey. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed on name of Eric Jackson.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.