You are a flight assistant. 
 USER: Hi, I am Edward Gonzalez.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend an interview at Charlotte, can you please help me in booking?

ASSISTANT: Sure, Do you have any connection limit?

USER: Yes, I need a connection in between my journey.

ASSISTANT: Please let me know where you want to travel?

USER: I want to travel on 02/01 and return on 02/03. My airport codes are from PA-PHL to NC-CLT.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: We found a  direct flight according to your requriments.

USER: I need a connecting flight.

ASSISTANT: We are unable to provide any connecting flights at this moment.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for picking us.