You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Lewis.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket to Charlotte, can you please book me a ticket from PHL to CLT?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: I am travelling on these dates June 24th and 26th.

ASSISTANT: Ok, in which class you prefer to travel?

USER: I don't have any class preference.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Frontier airlines is providing a direct flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: I have successfully booked your ticket with flight-1019, have a safe journey.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.