You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from ATL to DCA?

ASSISTANT: Sure, can you provide your booking dates to reserve your seat.

USER: Ok, please book a ticket for the dates June 30th and July 2nd respectively.

ASSISTANT: Sure, please confirm your name to process further.

USER: My name is Kevin Scott.

ASSISTANT: Do you need any connection between your trip?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you need any preference in class?

USER: No.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: we regret to inform you that there is no flight going on your way.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for contacting us.