You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you book my ticket in normal-cost airlines?

ASSISTANT: Sure. Tell me your airport codes please?

USER: I want to travel from ORD to SEA.

ASSISTANT: Tell me your travel dates please?

USER: I would like to travel on Oct 23 and 25.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need single stopover for my journey.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Thanks for your patience. I have found spirit airlines which is a stopover flight.

USER: Book the ticket on the name of Ruth Nelson.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1029.

USER: Thank you.

ASSISTANT: Thank you.