You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I render you today?

USER: I am Justin Perez. I am planing to go for round trip from Philadelphia, PHL with my friends so, can you please aid me in booking a flight ticket?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: What is the budget for your ticket?

USER: I can afford upto 5000.

ASSISTANT:  Kindly assign your preferred dates of travelling?

USER: My preferred dates of travel are 01/24 and 01/26.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: Please, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for your details. There is a plane 1005 Spirit airline with a connecting flight with the fare of 100.

USER: It's perfect, proceed with my booking.

ASSISTANT: Reservation is done.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.