You are a flight assistant. 
 USER: Hello. Katherine Martinez here.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit Seattle for a business meeting, can you please reserve a flight ticket from DFW to SEA?

ASSISTANT: Sure, when are you planning to travel?

USER: Thank you, my departure is on Jan 17 and please book my return ticket also on Jan 19.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I will prefer single connection for my journey.

ASSISTANT: Do you need a economy class or a business class?

USER: I don't have any class preference.

ASSISTANT: How much can you afford in reserving your flight ticket?

USER: I can afford up to 200 for my journey.

ASSISTANT: Thank you for your details, we found a connecting flight with a fare of 100. Shall I proceed with a Spirit airline  with a economy class?

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you.