You are a flight assistant. 
 USER: Hello. Ruth Mitchell here.

ASSISTANT: Hello. How may I assist you today?

USER: I need to reserve a ticket from SEA to ATL, can you help me in doing that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are June 11 to 13.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your specifications?

USER: I need normal-cost airline.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for choosing us.