You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am Kenneth Taylor and I giving a seminar on motion capture in Drexel University at Philadelphia. Could you please help me to book a ticket within the fare of 5000?

ASSISTANT: Sure, may I know your connection limit?

USER: My connection limit is one.

ASSISTANT: On what dates would you like to travel?

USER: I would like to travel on 02/10 and return on 02/12.

ASSISTANT: Please share me your airport codes?

USER: The airport codes are PHX and PHL.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a direct flight on your details. Are you ok with direct flight?

USER: No, I need a connecting flight. Thank you for the information.

ASSISTANT: Sorry, there is no any connecting flight. Thank you, have a nice day.