You are a flight assistant. 
 USER: Hello, Elizabeth Perez here.

ASSISTANT: Hello, how can I abet you today?

USER: I have planned to go for holiday trip to Denver, CO - DEN. Can you please book a ticket on 08/14?

ASSISTANT: Sure, when you want to return?

USER: I want to return on 08/16.

ASSISTANT: Ok, may I know your budget?

USER: I can spend up to 200.

ASSISTANT: Ok, please share your source point.

USER: I want to start from Philadelphia, PA - PHL.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight found in 1016 JetBlue airline with a halt and the fare is 200.

USER: Ok, you can proceed with booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us.