You are a flight assistant. 
 USER: Hello, I am Carol Miller.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight with single connection, can you help me for booking a flight ticket?

ASSISTANT: Sure, can you please provide me your travelling dates?

USER: I would like to travel from 07/24 to 07/26.

ASSISTANT: May I know your airport codes?

USER: My source point is DC-IAD to destination on AZ-PHX.

ASSISTANT: Do you have any price limit?

USER: I need price limit should not exceed 200.

ASSISTANT: Ok, please wait a moment I will check and revert you.

USER: Ok.

ASSISTANT: I found a flight on your given details, flight number is 1004 with Hawaiian airline. Your fare is on 100 with single connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.