You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a flight from IAD to CLT?

ASSISTANT: Please provide your travelling dates.

USER: Sure, I want to depart on June 13 and need to return on June 15.

ASSISTANT: Do you have preference?

USER: I am looking for a flight with single connection.

ASSISTANT: Is there specific time preference?

USER: No.

ASSISTANT: Can I know your name?

USER: Myself Jacob Anderson.

ASSISTANT: Found ticket with Delta airlines for price 100 having flight number 1006.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.