You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Scott Nelson.

ASSISTANT: How may I help you?

USER: Actually I am planning to visit Chicago. Can you please help me in booking the ticket from IAD to ORD?

ASSISTANT: May I know your trip dates?

USER: I will drop-off 09/09 and again I will be return back on 09/11.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Frontier airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: Go ahead and book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Most welcome.