You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a connecting flight ticket?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travelling airport codes?

USER: My airport codes are PHL and MSP.

ASSISTANT: On which dates you want me to book your tickets?

USER: My travel dates are Nov 21 and Nov 23.

ASSISTANT: Ok, may I know your name?

USER: My name is Jonathan Anderson.

ASSISTANT: Do you have any specification?

USER: I would like to return back in the afternoon time.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.