You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a flight ticket by the name Samantha Harris?

ASSISTANT: Sure, please provide your travel dates?

USER: My travelling dates are from 01/06 to 01/08.

ASSISTANT: May I know your boarding and landing points?

USER: My airport codes are from IAD to DFW.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. Price limit is 500.

ASSISTANT: We found an airline Delta with flight 1018 having a halt with fare 300. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.