You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book a ticket from DFW to SEA to go for Arts and Crafts festival.

ASSISTANT: Sure, may I know your name?

USER: I am Stephanie Mitchell.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are Feb 2 and Feb 4.

ASSISTANT: Do you prefer a connecting flight?

USER: I want a direct flight.

ASSISTANT: May I know your other preferences?

USER: I prefer business class.

ASSISTANT: Sorry, there are no flights available on your travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.