You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need a flight ticket to PHL with the fare of 1000.

ASSISTANT: Ok, could you please provide your dates?

USER: My preferable dates of  journey are from 12/29 to 12/31. And my source point is PHX.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Found a flight with price 1300 and connection 1 available on your dates. Shall I proceed with your booking.

USER: I need a flight with the price of 1000.

ASSISTANT: Sorry to say, there are no flights under 1000 with your requirements.

USER: Ok, no issue.

ASSISTANT: Thanks for reaching us. Have a nice day!. May I know your name?

USER: My name is Scott Mitchell. Thanks for your response.