You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please book a ticket from SEA to MSP? As I need to attend a wedding.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned departure and return travel dates are 25th and 27th of June.

ASSISTANT: Do you have any limits on number of connections?

USER: I'm ok with any flight but I prefer normal-cost airlines only.

ASSISTANT: May I know your name for the booking process?

USER: Yes, my name is Edward Hall.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, I don't have.

ASSISTANT: Unfortunately, no flights available on your requirements.

USER: That's fine, thank you so much for your time anyways.

ASSISTANT: Welcome, thank you for reaching us.