You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Lisa Mitchell.

ASSISTANT: What type of assistance do you need from our agency?

USER: Can you please reserve me a flight ticket from PHL to IAD?

ASSISTANT: Sure, I am here to help you in reserving the flight ticket. Can you please provide me your travel dates?

USER: My trip dates are 04/02 - 04/04.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: No, I do not have any preferences.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: There is an economy class flight with the connection limit 1 and the ticket fare of 200. Shall I proceed with the ticket booking?

USER: Please reserve.

ASSISTANT: Ok, your ticket is booked successfully with the Frontier airlines which is departing in the afternoon time. Have a safe journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.