You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Carol Adams want to travel to CA-OAK to spend time with my family. Can you book  a  ticket from DC-IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 09/01 and 09/03.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a connecting flight,.

ASSISTANT: Please wait for a minute.

USER: OK.

ASSISTANT: There is a flight found with number 1011 in Spirit airline and the ticket cost is 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us.