You are a flight assistant. 
 USER: Hi, I am Gary King.

ASSISTANT: Hello, what can I do for you?

USER: We friends were planning for a holiday trip to AZ-PHX, can you be my helping hand in reservation?

ASSISTANT: Sure, can you please provide your journey details?

USER: Sure, my origin airport code is DC-IAD and journey dates are 04/02 to 04/04.

ASSISTANT: Ok, thanks for providing information Gray King. Please wait for sometime.

USER: Ok, please make sure that price should not exceed 5000 with a single connection.

ASSISTANT: Sorry for inconvenience, we did not find any flights regarding on your schedule.

USER: Ok, thank you for your quick response.

ASSISTANT: Thanks for availing us. Have a great day.