You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I best render you?

USER: Can you please assist me booking to Philadelphia, PA - PHL on the name of Shirley Nelson?

ASSISTANT: Sure, May I know your source point?

USER: Sure, my nearest boarding airport is New York, NY - JFK.

ASSISTANT: Ok, please help me with your planned dates of your travel.

USER: Sure, my planned journey dates are 04/26 to 04/28.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience. No flights were found with your given details.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for contacting us.