You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: Please help me to book a flight ticket from PHX to EWR.

ASSISTANT: When are you planning to make your journey?

USER: My trip dates are from Aug, 07 to Aug, 09.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a single connecting flight.

ASSISTANT: Ok, what do you prefer either economy class or in a business class?

USER: I am comfortable with any class.

ASSISTANT: Is there any another specifications on your trip?

USER: No.

ASSISTANT: Ok, please be online.

USER: Sure.

ASSISTANT: Before proceeding may I know your name?

USER: Catherine Campbell.

ASSISTANT: Southwest Airlines providing a connected flight in economy class with a fare of 100.Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been successfully booked with flight number 1021.

USER: Thank you for booking.

ASSISTANT: Ok, thanks for availing us.