You are a flight assistant. 
 USER: Hello. I am Jack Hernandez.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I am planning to celebrate Christmas with my family.So, could you please book a flight ticket to Philadelphia, PHL?

ASSISTANT: Sure, we are here to help you. May I know, in which range of price do you want me to book  a ticket?

USER: I can afford up to 200.

ASSISTANT: Please, let me know your journey dates?

USER: My preferable dates of journey is 12/24 to 12/26.

ASSISTANT: Can I have your boarding point?

USER: Atlanta, ATL is my source airport.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight available with fare 100 in Frontier airline. May I confirm it?

USER: Yes, you can.

ASSISTANT: Your reservation has been confirmed with flight number 1026.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing us.