You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Philadelphia to meet my friend, can you please reserve me a flight ticket from CLT to PHL?

ASSISTANT: May I know your travel dates?

USER: My preferable journey dates are Aug 16 and Aug 18.

ASSISTANT: Do you have any preferences?

USER: I prefer economy class flight.

ASSISTANT: May I know your good name please to proceed with booking?

USER: My name is Andrew Lee.

ASSISTANT: Are you looking for any connection limit?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Is there any other preferences?

USER: No, thanks for asking.

ASSISTANT: Give me a while.

USER: Sure.

ASSISTANT: United Airline is providing connected flight in economy class with the fare of 200. Shall I book your ticket?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your reservation is done with flight number 1010.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.