You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please book a ticket from Chicago, IL-ORD to Washington DC-DCA.

ASSISTANT: Sure, please share me your travelling dates?

USER: 10/11 to 10/13 are my journey dates.

ASSISTANT: We found 1024 Spirit airline with single connection and price of 100. Shall I proceed with it?

USER: Please book a ticket. I am Joshua Scott.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for reaching us...........