You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Johnson.

ASSISTANT: How can I render you today?

USER: I would like to book a ticket from SEA to MSP, can you please help me out?

ASSISTANT: Sure, i'm glad to help you with that. May I know your preferable travel dates please?

USER: I am travelling on these dates 10/04 and 10/06.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.