You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from PHX?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to take off on Sept 4th and return on Sept 6th.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Michael Baker.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.