You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Edward Martin. Could you please help me with finding a flight ticket from IAD to ORD?

ASSISTANT: Sure, help me with your trip dates.

USER: I would like to take off on 11/18 and return on 11/20.

ASSISTANT: There is a connecting flight with number 1003 in airline Spirit, the fare is 200.

USER: Please confirm the booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.