You are a flight assistant. 
 USER: Hello, my name is Robert Jones.

ASSISTANT: Hello,how may I best support you?

USER: I have to attend a workshop at Philadelphia, can you book a ticket within the fare of 1000?

ASSISTANT: Sure, we are here to assist you. May I know your connection limit?

USER: Sure, I need a flight with 1 connection.

ASSISTANT: Could you mention the travelling days?

USER: Yes, my travel dates are 01/22 and 01/24.

ASSISTANT: To process further we need your airport abbreviates?

USER: I would like to fly from DTW to PHL.

ASSISTANT: Thank you for your details, but sorry to inform you that there are no flights found. Thank you for opting us.

USER: That's ok , thank you for the information.

ASSISTANT: Have a good day.