You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Scott Allen here. Please help me in booking the ticket from DCA to DTW to attend my brother's convocation.

ASSISTANT: Sure, can you provide the travelling dates?

USER: My journey dates are from 10/28 to 10/30.

ASSISTANT: There is a flight 1017 of Spirit airlines available for your request. Would you like to book the ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.