You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from IAD to OAK?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, my trip dates are from 09/24 to 09/26.

ASSISTANT: Thank you. Is there any class preference?

USER: No.

ASSISTANT: Flight-1017 having single connection is available with UA airlines and the ticket fare is 100 only. Flight will take-off at 21:00 hours and arrives at 10:00 hours. Can I book the ticket for you?

USER: Please book this ticket for me.

ASSISTANT: May I know your name?

USER: Myself Debra Rodriguez.

ASSISTANT: Debra Rodriguez, your ticket is booked successfully in economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome.