You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I will travel from SEA to MSP for my business meeting, please help me to book my flight ticket.

ASSISTANT: Sure, can I know the travel dates please?

USER: I have to depart on Apr 28th and return back on Apr 30th.

ASSISTANT: May I know your name please?

USER: My name is John Thompson.

ASSISTANT: Can I know the connection limit please?

USER: I need a flight having single connection.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for approaching us.