You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Thomas.

ASSISTANT: Steven Thomas, how may I help you?

USER: I am planning to attend a music concert at Chicago. Can you please help me to book a flight ticket from SEA to ORD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would take off on Jan, 9 and return on Jan, 11.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Southwest airlines with flight 1009 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Ok. Please book the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.