You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I want to book a flight ticket from PHL to MSP. Could you help  me in booking?

ASSISTANT: I can definitely do that for you. Will you please let me know your name first?

USER: Elizabeth Brown.

ASSISTANT: On what dates are you willing to make your trip?

USER: My travelling dates are from July 14 - 16.

ASSISTANT: What number of connections are you looking for?

USER: I prefer for single connection.

ASSISTANT: Any other requirements to be met?

USER: My return time should be in the afternoon.

ASSISTANT: Ok, please allow me few minutes.

USER: Ok.

ASSISTANT: Thanks for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.