You are a flight assistant. 
 USER: Hi. I am Carol Parker.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight from San Francisco, can you help me out in booking the flight ticket from SFO to IAD?

ASSISTANT: Sure, I am here to help you. May I know your travel dates?

USER: My travel dates are from Dec 16th till Dec 18th.

ASSISTANT: Ok, do you have any other specifications?

USER: I need depart to in the afternoon session.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok.

ASSISTANT: Flight-1007 with single connection is available in Delta airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked successfully and have a nice day.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.