You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a ticket from EWR to PHL, can you please book me a ticket?

ASSISTANT: Sure, may I know your departure and arrival dates?

USER: I am travelling on these dates March 16th and 18th.

ASSISTANT: Is there any class preference?

USER: I prefer economy class.

ASSISTANT: May I know your name?

USER: Andrew Wilson here.

ASSISTANT: May I know your connection limit?

USER: I need single connected flight.

ASSISTANT: Here, there is a flight with 1 connection in AA airlines and price is 200. Shall I book?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been booked with the flight 1002.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.