You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I guide you for today?

USER: I am Sandra Harris. I would like to book a ticket from DCA to ORD, can you please help me out?

ASSISTANT: I am glad to help you about that Harris. Can you please provide your planned dates of journey?

USER: I am travelling on these dates 11/23 and 11/25.

ASSISTANT: There is a flight having a single connection limit which is having a ticket fare of 400 which is provided by Southwest airlines. Would you like to book this flight ticket?

USER: Ok, you can proceed with this flight.

ASSISTANT: I have booked your flight ticket with flight 1017.

USER: Thank you for your services.

ASSISTANT: My pleasure, thank you for choosing our service.