You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Hill.

ASSISTANT: How can I aid you?

USER: I want to book a ticket from DFW to DTW to attend workshop, can you help me in booking?

ASSISTANT: Sure, help me with your journey dates.

USER: I am departing on 10/19 and return on 10/21.

ASSISTANT: There is a connecting flight with number 1009 in airline UA, the fare is 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.